Size - The locks require a 26mm door hole diameter and a board thickness of 15mm to 18mm. Please measure the diameter and thickness of your furniture before purchasing. Material - Primarily made of ABS plastic, more durable and lighter. The surface is glossy and won't easily fade. Compatibility - Suitable for most yacht furniture and drawers in caravans, motorhomes, and vans. Prevents the interior cabinet door from opening automatically while driving a caravan or yacht. Easy to Use - Simply press the keyless button to keep the cabinet door closed. Press again to open the cabinet door. Package List - 5 push-button locks. Each latch comes with 4 screws and 1 strike plate.