Three Prong Knob, Screw Length (In.) 0.50 In., Thread Size (In.) 5/16-18, Dia. (In.) 1-1/2 In., Base Dia. (In.) 5/8, Knob Type Clamp Knob, Style Three Arm, Material GP Phenolic, Finish High Gloss, Standards Steel, Zinc Plated, Height (In.) 0.875, Length (In.) 1.38 In., Overall Height 0.875, Overall Length 1.38 In., Thread Type Course, Width -30 to 400 F
- Designed for clamping and quick adjustment. Rounded edges make knobs easy to grasp and turn. Knobs up to 1-3/4" dia. are 3P style; 2" dia. and up are RT style.
- Black polypropylene knobs are heat resistant to 225 F Phenolic knobs are heat resistant to 450 F Impact and scratch resistant