Detailed Product Description 6pcs retractable blade stuff in the body and could change without open it.screw cap in the head to avoid the blade slide out without demand../· Zinc-alloy body with rubber grip · With 18mm snap off bladeSafety lock system, stainless steel, 14 + 1 Sharpened snap-off edges in one blade, flexible, ABS resin body Snap Off CutterAuto Reloaded System: 5 Spare Blades