2PCs SCS20UU Aluminum Linear Motion Ball Bearing Box Bushing 50mm Long Linear Roller Bearing Slide Block for CNC 3D Printer Accessories 2Pcs x SCS20UU SCS20UU, ID: 20mm / 0.79 inch, L: 50mm / 1.97 inch bee Once printed cards are waterproof

Once printed cards are waterproof and resilient

The reusable bandages are very durable and will not lose elasticity through washing

when adjusting to low sensitivity

Mounts can be adjusted to any viewing angle

suitable for referees

2PCs SCS20UU Aluminum Linear Motion Ball Bearing Box Bushing 50mm Long Linear Roller Bearing Slide Block for CNC 3D Printer Accessories 2Pcs x SCS20UU SCS20UU, ID: 20mm / 0.79 inch, L: 50mm / 1.97 inch bee Once printed cards are waterproof2PCs SCS20UU Aluminum Linear Motion Ball Bearing Box Bushing 50mm Long Linear Roller Bearing Slide Block for CNC 3D Printer Accessories Specification: Brand: Mssoom Color: Silver This item includes: 2pcs SC20SUU Slider Please note: We can supply linear motion guide shafts in any length, please contact us. We can customize the size according to your needs, some examples you can check picture 5 Product Features 2Pcs x SCS20UU SCS20UU, ID: 20mm 0. 79