Neewer 30mm Clear Crystal Glass Diamond Shape Door Knob Drawer Pull Handle for Cabinet, Drawer, Cupboard, Wardrobe Home Decoration (12Pack) Note:the suitable thickness range of the object is from 0.79inch to 0.94inch. Please pay attention to the thickness of the objects before use this knob Suitable for cabinets, drawers, cupboards, kitchen, wardrobe, bedside table, bedroom & bathroom furniture doors Material: Crystal glass and aluminum alloy Crystal diameter: 30mm/1.18" Suitable thickness range: 20~24mm/0.79~0.94"