Mentor 320.
621 Adjusting Knob, Dial Disc, ABS Plastic Setscrew Fixing - Mentor 321.
611, This plastic adjusting knob from Mentor has been designed for professional equipment and comes with screwset fixing.
Stylishly designed and featuring a dial disc made from Duroplast for spindles with Ø 6mm.
Mentor 321.
611 Plastic Adjusting Knob - Setscrew Fixing - 25mm