Material: High quality zinc alloy + ABS, the knob and button are upgraded with cast zinc alloy material, this latch is more sturdy, reliable and durable than other cheap plastic latches. Function: This push button latch is designed without keys, push to lock the drawer and push again to open it. Easy and convenient to use. Features: 30mm diameter cutting hole. Board thickness: 15mm Usage: Suitable for all kinds of cabinet, RV, caravan, yacht, boat, camper, cupboard and drawer. Package includes: 6 packs push button latches with screws and accessories. If you have any problem with the items you purchased, please feel free to contact Amazon to change or return them, we will send you new items or refund your money.