General description The 3D printer accessories include a European standard 2020 aluminum profile pulley V-Slot build gantry plate, designed specifically for use with 2020 aluminum profiles. This wheel kit is made from durable aluminum alloy and features a sleek black finish. Technical specifications Type: Wheel Kit/Wheel Material: Aluminum alloy Color: Black Package Contents: 3 * Aluminum Profile Pulley Measurement allowed error: +/- 1-3 cm