General description The 5pcs Keyless Door Lock Knob is designed for use in boats, RVs, and camping, providing a secure and reliable locking solution. Made from high-quality zinc alloy and ABS, this lock knob is durable and features a non-polluting, environmentally friendly paint that resists scratches and extends its lifespan. Available in black and pearl white, it can complement various interior styles. Technical specifications Material: Zinc alloy and ABS Door and drawer thickness compatibility: 15-18mm Hole diameter: 26mm Installation No professional installation required Main components come pre-assembled Only the locking screw needs to be installed Usage Secures cabinet or closet doors Prevents accidental opening during movement of yachts, boats, and RVs Suitable for various applications including RV cabinet doors, furniture drawers, and wardrobe doors