Product Overview
This is a SOLID BRASS BASE for making a knob from spherical objects such as marbles, wood balls, steel ball bearings, or whatever ball-shaped do-dad your imagination dreams up. Base is threaded for a standard 8-32 knob screw. Available in our screw section in many lengths. Cup to receive ball is 9/16 inch diameter. Will reasonably accept balls from 1/2 inch to 1 inch in diameter. HIGH QUALITY OIL RUBBED BRONZE SOLID BRASS D. Lawless Hardware.