Features 1、Adopting premium aluminium alloy material, the gantry plate is not easy to deform, strong and durable. 2、There are 4 wheels on the plate, which can slide smoothly and also promise stable working performance. 3、Suits perfectly for V slot, very easy to assemble and disassemble, and the installation is also very simple. 4、The aluminium alloy gantry plate has small size and light weight as well, a great 3D printer accessory set. 5、This set includes gantry plate, screws, washers, and wheels, so the storage and carrying are very easy. Specification Item Type: Gantry Plate Material: Aluminium Alloy Colour: Black Type: Wheel Kit, Wheel Application: For 20mm for V slot aluminium profile. (Approx. 20mm / 0.8in) Washer Size: Approx. 6mm / 0.2in Low Profile Screw Size: Approx. 25mm / 1in Half Profile Screw Size: Approx. 10mm / 0.4in Package List 1 x Plate 4 x Mini Triangle V Wheel 2 x 6mm Aluminium Washer 2 x 6mm Special Shaped Washer 2 x 25mm Low Profile Screw 4 x 10mm Half Profile Screw 4 x Half Angle Screw