Features The push-button or slide mechanism on these utility knives manually extends and retracts the blade. Application / Multipurpose Blade Change Method / Tools Needed Blade Edge Type / Straight Blade Projection Length / 2 7/16 in Blade Material / Steel Blade Operation / Manual Retracting Blade Positions / 3 Blade Tip / Standard Blade Type Included / Utility For Cutting Cardboard / Yes For Cutting Cork / Yes For Cutting Fabric / Yes For Cutting Leather / Yes For Cutting Paper / Yes For Cutting Plastic / Yes For Cutting Rubber / Yes Grainger Part Number of Included Blade / 5C949 Grip Type / Plain Hand Orientation / Ambidextrous Handle Color / Gray Handle Material / Metal Handle Style / Straight Includes / (3) Replacement Blades Includes Pocket Clip / No Knife Type / Retractable Utility Knife Manufacturer Model Number of Included Blade / 11-921 Metal Detectable / Yes Number of Blades Included / 3 Number of Blades Stored / 10 Other Material Applications / Cardboard, Insulation, Plastic, Sheeting, Shingles, Shrink Wrap, Tyvek, Wire Overall Length / 6 in Overall Thickness / 19 mm Overall Width / 3 in Package Quantity / 4 Replaceable Blade / Yes Retractable Blade / Yes Tether Ready / Yes Blade / Steel Standard Tip Length- Overall/Blade Projection / 6 in / 2 7/16 in