Morton 3745AC Thermoplastic T-Knob with Brass Insert, 1/4"-20 x 5/8" Depth Thread, 1-59/64" Length, Black (Pack of 5)
Morton standard black thermoplastic T-knob. Bushing insert made from brass. Internal thread. 1/4"-20 thread size. 5/8-inches thread depth. 51/64-inches support diameter. Measures 1-59/64-inches length by 15/16-inches height.