ITEM NAME:10 Pcs Black Plastic Potentiometer Rotary Control Knobs Caps for 6mm Dia LJ Product Name:Rotary Knob Material:Plastic Net Weight:10g Package Content;35 x Potentiometer Rotary Knobs Main Color:Black Fit for Knurled Shaft Diameter:6mm/0.24" Overall Size:10 x 14mm/0.4" x 0.55"(D*H) Packiing: 10Pcs.Main Color:Black.