Description
The Rapid Edge Extend-A-Blade Utility Knife is a revolutionary folding razor knife designed for maximum cutting depth and versatility. With a double-length box cutter blade and 3 sliding blade positions, it’s the go-to tool for professionals and DIY enthusiasts.
Extra Long Blades for Deeper Cuts

Specifically designed for tasks requiring more cutting depth, the double-length blades provide extended reach, making them efficient for thicker materials.
Adjustable Blade Positions for Versatility

The cutter has 3 sliding blade positions that cater to various cutting depths, offering versatility for different projects.
Use this retractable utility knife for various cutting needs.
- Cardboards
- Carpets
- Drywalls
- DIY Projects
- Handyman Works
- Roofing Materials
- Ropes
- Rubbers
Quick and Easy Blade Changes

The box knife has an effortless push-and-hold button mechanism for rapid blade changes. Press the hold button to release the blade and swap in a new one. The time-saving feature benefits home improvement workers, handymen, and contractors who frequently replace blades.
Durable Heavy-Duty Construction
Crafted with precision using carbon steel and featuring a manual-retractable rubber handle, this utility knife sets a new standard in efficiency and convenience. Our utility knives withstand regular use on the job or during DIY renovation projects.













Rapid Edge Extend-A-Blade Folding Knife (verified owner) –
Fits all my blades
Amazon Customer (verified owner) –
Good quality products! As advertised. We'll made and easy to work with. I definitely recommend this Knife.
Dave (verified owner) –
Very well built and a great replacement for my other utility blades. The extra long blades and handle make long cuts easier and safer.
RAUL (verified owner) –
Knife works for my purpose because I needed an extra long blade. Only thing for me that would improve the unit is if it would have an integral storage area for spare blades. Not a show-stopper but would be very nice.
Ollie (verified owner) –
Needed a knife to cut 2" polystyrene foil-faced insulation for a roofover with metal roof panels, (Florida – metal pan roofing). 12" – 8 foot lengths out of a 4 x 8 sheet. The blades changed so easy, the knife was strong and rigid, safe, and easy to use. I've used many utility knives this is the best I've used.
(ps.- of course there was residue from the insulation, but nothing crazy, and the shop vac cleaned it up easy. I did three cut runs on each piece).
Mike (verified owner) –
I needed a utility knife with an extra long flexible blade for cutting silicon sealer when removing a broken double pane window. I was able to get the job done due to Rapid Edge Extend-A-Blade's additional reach. The blade holder folds down into the handle for safe transport and storage like other folding utility knives and is constructed well with an ergonomic aluminum handle and a brushed steel blade holder. Changing blades is quick, with the push of a button to release the blade from the holder. The blade can be extended from a normal working position to two additional extended working positions by holding the same button down while pulling the blade out to two additional stops. The knife has a sturdy steel pocket clip and overall quality construction. It operates perfectly. I thought $12 was bit much for a utility knife when ordering but due to the quality materials and unique extendable blade feature, I now think the knife is a good value.
Awmil (verified owner) –
Good knife
Bear K (verified owner) –
…but I like it because it has a much longer reach than the standard box cutters. Longer blade allows one to get closer to the area being cut without interference from the body of the handle. I used this for trimming excess screen in two tight places that I could not reach without a longer blade – solved my problem, although a pretty expensive box cutter, it is good quality and I'm sure I will get many years of use out of it.
Rapid Edge Extend-A-Blade Folding Knife (verified owner) –
Very well built and a great replacement for my other utility blades. The extra long blades and handle make long cuts easier and safer.
Amazon Customer (verified owner) –
Fits all my blades
Ollie (verified owner) –
Good quality products! As advertised. We'll made and easy to work with. I definitely recommend this Knife.
Dave (verified owner) –
Needed a knife to cut 2" polystyrene foil-faced insulation for a roofover with metal roof panels, (Florida – metal pan roofing). 12" – 8 foot lengths out of a 4 x 8 sheet. The blades changed so easy, the knife was strong and rigid, safe, and easy to use. I've used many utility knives this is the best I've used.
(ps.- of course there was residue from the insulation, but nothing crazy, and the shop vac cleaned it up easy. I did three cut runs on each piece).
Mike (verified owner) –
…but I like it because it has a much longer reach than the standard box cutters. Longer blade allows one to get closer to the area being cut without interference from the body of the handle. I used this for trimming excess screen in two tight places that I could not reach without a longer blade – solved my problem, although a pretty expensive box cutter, it is good quality and I'm sure I will get many years of use out of it.
Dave (verified owner) –
I needed a utility knife with an extra long flexible blade for cutting silicon sealer when removing a broken double pane window. I was able to get the job done due to Rapid Edge Extend-A-Blade's additional reach. The blade holder folds down into the handle for safe transport and storage like other folding utility knives and is constructed well with an ergonomic aluminum handle and a brushed steel blade holder. Changing blades is quick, with the push of a button to release the blade from the holder. The blade can be extended from a normal working position to two additional extended working positions by holding the same button down while pulling the blade out to two additional stops. The knife has a sturdy steel pocket clip and overall quality construction. It operates perfectly. I thought $12 was bit much for a utility knife when ordering but due to the quality materials and unique extendable blade feature, I now think the knife is a good value.
Rapid Edge Extend-A-Blade Folding Knife (verified owner) –
Item arrived on time. The knife works well and is very sharp. I like that I can extend the blade to cut through thicker soft material.
Amazon Customer (verified owner) –
Very well built and a great replacement for my other utility blades. The extra long blades and handle make long cuts easier and safer.
Rusty (verified owner) –
This was exactly what I was looking for! I needed to cut 8' panels of 1 1/2" thick styrofoam into 11 1/2" wide strips, and I needed to make 30 cuts. It cut very well and I used only two blades, flipping each around after several cuts.
Ollie (verified owner) –
Works great!
Chuck (verified owner) –
looks solid enough time will tell needed longer blades everything working well up to this point
rick duchemin (verified owner) –
Knife works for my purpose because I needed an extra long blade. Only thing for me that would improve the unit is if it would have an integral storage area for spare blades. Not a show-stopper but would be very nice.
David R. Parent (verified owner) –
Good delivery . Good product
For use around the garage and exterior house usage.
Mike (verified owner) –
Good
Tom from Wisconsin USA –
This Folding Knife is the best. It’s well manufactured, well designed. It’s heavy and sturdy, hand grip is perfect. I like the ability that it’s easy to extend the blade out and could easily cut through “3/4 inch ceiling tiles, honeycomb ‘3/4 inch thick. I even used it to cut 1 inch cardboard and did it very easy using the serrated blades just by extending the blade out to the maximum leight. So easy to handle. I highly recommend this to anyone working it the trades, warehouse, automobile repair. I searched starting out on line looking for a extended utility knife and this one by Rapid Edge is the only one out in the marketplace. The blades are well made and come standard or serrated. Cuts through rubber and so much more with ease. I give this a 5 star rating.