4pcs SHF12 Aluminum Linear Rod Rail Shaft Support 12mm Linear Motion Guides for CNC 3D Printer 12mm/0.47inch SHF auspowers_batchfour in each of them are

in each of them are the 4 colors

Safe & SecureTUSITA cycling mount with silicone rubber mat mounts devices firmly and securely

Programming Software Works with Either MAC OS

Ultra Matte Finish

4pcs SHF12 Aluminum Linear Rod Rail Shaft Support 12mm Linear Motion Guides for CNC 3D Printer 12mm/0.47inch SHF auspowers_batchfour in each of them are4pcs SHF12 Aluminum Linear Rod Rail Shaft Support 12mm Linear Motion Guides for CNC 3D Printer Description: Shaft support blocks are used for end or intermittent support where loads are light and slight shaft deflection is not a concern. Shaft support blocks enable clamping of shafts, removing the need for bolts to maintain shaft position. Shaft guides are an economic and widely used linear guide system for many applications. Widely used for digital