Type: 3D Printer Accessories Connect navigation buttons to manually adjust the position of your machine; Compatible with all X/Y table settings used in built-in positioning screws. M5 Threaded Hole (4) Knurled Handle Color: Black Material: Metal Size: Hole: 8mm Hexagon: 3mm Package Contents: 1 * Handle 1 * M5 x 4mm Fixing Screw 1 * Wrench 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 +/- 1-3 cm.