Check the listing for details. WORKPRO 100PC 18mm Snap-off Blades SK5 Steel Replacement Blade for Utility Knife. Color: Red+Blue, Condition: New. Listed at 22.99 USD. Product Description 100PC Replacement Blade: The package comes with 100 pcs 18mm replacement razor sharp blades. No need always rush to the store to buy the replacement anymore, just pick the fresh one as you wantStrong Ruse Resist Quality & Super Sharp Edge: A razor-sharp acute cutting angle blade that integrates well-built and durable SK5 steel, black coating and multi-step sharpening to produce an exceptionally smooth and fine quality of cutLastest Storage Ideas: Subpackaging with 10 plastic cases, each case contains 10 blades, light and small enough to carry when you are doing the outside working. You won’t blame yourself for forgetting to take the blades.The hang hole of blades box makes it can be hang on your workbench, which is more sapce savingWide Application: WORKPRO replacement blades make your life more convenient. Multi functional replacement blades for craft hobbyists and artists, work or home or school usage for cutting fabric, shrink-wrap, leather, wallpaper, vinyl, altering, sewing, tailoring and raw materialsConvenient for Operating: 18mm snap off baldes,4In(100mm) length, design with 8 cutting edges per blade, which is easy to operate and meets long time using. Snap the old section off with knife cap, wearing gloves for security. Manufacturer‎HANZGHOU GREATSTAR INDUSTRIAL CO.LTDPart Number‎W000107ABItem Weight‎1.85 poundsProduct Dimensions‎9.45 x 5.12 x 1.18 inchesColor‎Red, MulticolorStyle‎Snap-off BladesMaterial‎Stainless SteelItem Package Quantity‎100Handle Material‎Plastic, Alloy Steel