Material: glass+zinc alloyScope of application: cabinet doorEASY TO INSTALL for adult: Mark the position for installing the knob, drill the hole carefully, and pass the screw from the back, then tighten the screw. APPLICATION: Can be used for cabinets, drawers, dressers, bookcase, wardrobe, cupboard in kitchen, bathroom, and bedroom. Each knob is individually packed against scratching. Our screws have a unique tail design and normally do not require washers. Pleasenote: If you have any questions, please contact us. Your problem will be solved within 24 hours.Features:1. Each knob is individually boxed against scratching with each other.Enhanced adhesion and polished edges, solidly built, and not fall off easily; touched comfortably and looked chic.2. Our screws have a unique tail design, need no washer generally. Please measure the thickness of the board of your furniture before ordering.Applications:Suitable for drawers, vanity desk, dresser, cupboards, chest, nightstand, bifold doors, mirrored furniture, bathroom cabinet, bedroom closet kitchen cabinets, etc.Update your kitchen cabinets,children's room or bathroom vanities with these knobs.Notice:1. Please allow a 1-3mm error due to manual measurement. Please make sure you do not mind before ordering.2. The color may have a difference as the different display, please understand.3. Do not use corrosive liquids to clean the surface. Wipe with a soft cloth.