Suitable for outdoor enthusiasts, hobbyists, and professional Crafted from alloy, this pusher features robusts screw mechanism that ensures reliability and long lasts Suitable for folding holes of 4mm and cutter thickness ranging from 3.7 to 4.2mm the fine craftsmanship with our Alloy Pusher, engineered for push button deployment and durability Alloy Pusher Disc Folder Pusher Button Alloy Opening and Closing Screw, Manufacturer: Msioytog