Check the listing for details. WORKPRO Retractable Utility Knife Folding Box Cutter Quick Razor Knife SK5 Blade. Color: Blue, Condition: New. Listed at 21.99 USD. Product DescriptionHIGH QUALITY: The 4-piece utility knife and knife blades kit include a folding razor knife, a snap-off utility knife and 25-piece blades. All knife blades are made of SK5 steel, which are greater in edge retention, thickness, sharpness and durability. 18mm wider blade of retractable box cutter for deep and easy cutting.MORE COST EFFECTIVE: WORKPRO folding utility knife is designed to store knife blades in its handle, making it easier to change the blade when using. This box cutter set contains an extra 20 compatible SK5 blades which are stored in the blade case. It can meet your diverse needs without additional purchases.QUICK BLADE CHANGE: Both utility knives allow quick and safe blade change without the need for any tools. For folding box cutter, simply depress the release button to remove the blade and insert a new one. For lightweight utility knife, You just need to remove the tail cap, pull out the blade with the slider and replace it with a new one.PORTABLE AND LIGHTWEIGHT: The compact box cutter weighs 0.28 lb, the folded size is only 4.5 inches. The back clip of the box cutter feature makes it easy to carry. The snap-off utility knife is 6.5 feet long, weighs 0.16 lb, the tail of the blade is also designed with a keychain/lanyard hole, which can be hung on the wall or on the knife rack.WIDELY USED: WORKPRO 2-pack utility knives are built to last, and can be used for a variety of different jobs. They cut through paper, carpet, plastic, carton, fabric, bags, leather, PVC, drywall and more. Get more done with our durable cutter knives. Manufacturer‎Hangzhou Great Star Industrial Co.,LTD.Item Weight‎14.4 ouncesPackage Dimensions‎7.72 x 3.43 x 1.93 inchesStyle‎ToolMaterial‎Alloy SteelItem Package Quantity‎1