Size:13*9.3/15*15/20*13/21/15/32*17/40*19/48*20*6mm(Diameter*Height*hole). Specifications. Material. Aluminum plastic. Origin. Mainland China - Aluminum Plastic Knob Cap Tangents Black O Shaft Encoder Rotary Potentiometer Knobs Water H
Size:13*9.3/15*15/20*13/21/15/32*17/40*19/48*20*6mm(Diameter*Height*hole). Specifications. Material. Aluminum plastic. Origin. Mainland China - Aluminum Plastic Knob Cap Tangents Black O Shaft Encoder Rotary Potentiometer Knobs Water H