Price For: Each Knob Type: Black Polypro Plastic, Steel Zinc Insert Item: Three Prong Knob Length: 1.00" Tap Type (In.): Thru Base Dia. (In.): 0.625 Style: Three Prong Material: Steel Finish: Zinc Yellow Includes: - Fits Hand Wheel Dia. (In.): - Diameter: 1.25" Standards: - Thread Size: 5/16-18 Country of Origin (subject to change): Multiple