Home > Knobs > 3-3/8" Diameter, 3-Spoke Turn Knob with 1/2-13 x 1-1/2" Stud
3-3/8" Diameter, 3-Spoke Turn Knob with 1/2-13 x 1-1/2" Stud
3-3/8" Diameter, 3-Spoke Turn Knob with 1/2-13 x 1-1/2" Stud. Get a serious grip to tighten down on exercise machine adjustments! Great for replacing those tired, worn out 1/2-13 turn knobs. This is actually a high quality, American made tooling component made by Gibraltar. It's not cheap, but if you want a turn knob that will hold up to abuse, then this is it!
Stud Dimensions: 1/2-13 thread x 1-1/2" long
Threaded stud is zinc plated for corrosion resistance
Knob is designed to take maximum torque by molding in the stud. It won't slip or pull out.
Large 3-3/8" outer spoke diameter
Made of tough, unbreakable reinforced nylon
Black in color
Large spokes (prongs) protrude to give the hand a lot to grab onto to apply more torque