CoZroom Satin Nickel Cabinet Knobs Hardware Round Knobs--25 Pack The knob has been created with a high quality Stainless Steel Screw Length is 7by8 of an inch The great design of knob in a mushroom form will be able to adapt in every furniture or doors of your house The knob has been created with a single screw hole for an easy installation Plus all the screws are included with the knob With our product you will not have to think about the rust on the knob thanks to the material the knob is rustproof and will last a lifetime Height 21 point3mm Top Diameter 27mm Base Diameter 14 point 6mm