1 pcs : 450-C156 - Knobs & Dials Black Cap-Plain 15mm Knob

Eagle Plastic Devices Collet Knob System The Eagle Plastic Devices Collet Knob System includes collet knobs in 15mm and 21mm sizes for 6mm and 6.4mm shafts. The 15mm collet knob is available with a marker line. The collet knobs are secured to the shafts by a proven collet tightening method. With its modular design, multiple accessories can plug into the knobs for a customized look. Eagle Plastic Devices also offers color coded caps in 15mm and 21mm sizes either plain, with a marker line, or a dot. Pointers and Nut Covers are available in multiple colors in a 15mm size (pointers also available in 21mm).