Material: 3.5mm thick aluminum plate,high quality aluminum alloy,durable,long lasting and rustless Y Carriage Plate Dimensions: 260mmx260mmx3.5mm/10.2x10.2x0.14inch(L*W*H) 3.3D Printer Carriage Plate Function: Perfectly flat, rigid surface for leveling the heated bed 3D Printer Carriage Plate Function: Perfectly flat, rigid surface for leveling the heated bed Easy to Install: The plate has 6 pulleys that fit perfectly with the 3D printer, easy to install and very convenient Package Content: 1PCS Y Carriage Plate with small plate , 6PCS pulley, 4PCS hex eccentric column, 2PCS isolation column, 6PCS M5x30mm screw ,6PCS M5 Locknut,1PCS Open end wrench 8mm to 10mm,1PCS Allen Key