REXBETI 12 Pack Folding Utility Knife Set Quick Change Blade box cutter, Back-lock Mechanism with 20 Extra Blades, SK5 Standard Replaceable Razor Blad

Metal
Ultra sharpness and double hardness blade, Perfect for hobby, DIY projects, cardboard, carpet, Rope,boxes, wallpapers, vinyl, rubber, leather, PVC material and etc
Quick-change mechanism. REXBETI new work knife comes with an easy blade release mechanism that allows you to safely change the blades and helps prevent injury
Back-lock Mechanism. Box Knife features a lock back release function as a pocket knife that keeps your blade in a safe position when opened or closed
Extra 20-piece blades included. Made of SK5 material. Handle provides comfortable grip.
4 colors – Red/Black/Yellow/Blue