Tecrio 30mm Diameter Clear Crystal Glass Cabinet Knob Chrome Base 12pcs-Pack Material: Clear Cut Crystal glass and Chrome Base Crystal Diameter: Approx 30mm; Base Diameter: 21mm, Screws diameter:24mm Finish: Shiny Polished Chrome,sturdy and easy to install Package Content: 12 x Knob; 12 x Screw Decor knobs/pulls/handle on cupboards, kitchen & bathroom cabinets, shutters, vanities, dressers, curio & chest of drawers and closet doors. Gorgeous heavy crystal knobs that reflect the light.