ITEM NAME:Screw on type star head Thumbscrew Locking screw Grip M6 x 30mm D6A9 Screw on type star head Thumbscrew Locking screw Grip M6 x 30mm D6A9 Wonderful replacement for your broken with this star head screw knob. Screw on type design for easy installation and with surface nice finish for comfortable grip. Widely used for instrument, appliances, appliances, food and industrial equipment. Product name: Clamping screw Type: screw on Head size: 30 x 10mm / 1.2inch x 0.4inch (D * H) Thread length: 30mm / 1.2 inches Thread diameter: 6mm / 0.24 inch (M6) Total height: 51mm / 2 inch Material: metal, plastic Color: silver tone, black Weight: 20g Package content: 1 x clamping screw Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.