ITEM NAME:2pcs SCS6UU Linear motion slide bearing block Al Rail guide shaft gfd NBM Descriptio n Description: 100 % brand new Linear Motion Slider Unit Bearing Housing Aluminum Rail Guide CNC3D Printer Accessories Specification: Material: bearing steel Color: picture color Size: 10 * 8 * 2 cm Product list :2pcs* linear bearing slider Model: SCS6UU Type: emulator Power: 5 w Purpose: computer Thickness (mm) : 25mm Rolling bearing base material: bearing steel Product list : 2pcs* linear bearing slider Honesty is gold for all! 2pcs SCS6UU Linear motion slide bearing block Al Rail guide shaft