ITEM NAME:Aluminum Alloy Extruder Support Bracket Front-Plate Kit For CR-10S PRO Description: 100% brand new and high quality. Made of aluminum alloy, offer long life service, not easy get rust. Extruder Back Plate: Thickness: 2.5mm X Motor Front Plate: Thickness: 3mm X Motor Back Plate: Thickness: 2.5mm Z-axis 2.5mm Passive Block Plate: Thickness: 2.5mm Z-axis 3.0mm Passive Block Plate: Thickness: 3mm Specification: Material: Aluminum Alloy Color: Red Package Includes: 1 Piece Extruder Back Plate 1 Piece X Motor Front Plate 1 Piece X Motor Back Plate 1 Piece Z-axis 2.5mm Passive Block Plate 1 Piece Z-axis 3.0mm Passive Block Plate Note: Please allow slightly 0-1cm difference due to manual measurement. Color may be slightly different since different monitor. Thanks for your understanding and attention..Extruder Back Plate: Thickness: 2.5mm. 1 Piece Extruder Back Plate. Material: Aluminum Alloy. Z-axis 2.5mm Passive Block Plate: Thickness: 2.5mm. Z-axis 3.0mm Passive Block Plate: Thickness: 3mm. 1 Piece Z-axis 2.5mm Passive Block Plate.