Cnc machines slides bearings

this package is mostly for the 2ea rods to use as a bed stabilizer rails for 3D printer or CNC machines. The rods are straight and the right diameter for use with LM8UU bearings. OD 8mm x 300mm Cylinder Liner Rail Linear Shaft Optical Axis - Material: bearing steal,GCr15 - Hardness: About HRC58° - Precision: g6 - Surface roughness: Below 1.5µM(Rmax) - Surface hard-thickness: 0.8µ~3mm - Outer diameter: 8mm - Length: 300mm - Staightness: Below 5µM/100mm - Hard chrome thickness: 3.0µM(Rmax) package included: 1pcs Linear Guides Light Rods Plated Shafts 8MM 30CM

Linear Guides Rods Plated Shafts 8MM 39CM this package is mostly for the 2ea rods to use as a bed stabilizer rails for 3D printer or CNC machines. The rods are straight and the right diameter for use with LM8UU bearings. OD 8mm x390mm Cylinder Liner Rail Linear Shaft Optical Axis - Material: bearing steal,GCr15 - Hardness: About HRC58° - Precision: g6 - Surface roughness: Below 1.5µM(Rmax) - Surface hard-thickness: 0.8µ~3mm - Outer diameter: 8mm - Length: 390mm - Staightness: Below 5µM/100mm - Hard chrome thickness: 3.0µM(Rmax) package included: 1pcs Linear Guides Light Rods Plated Shafts 8MM 39CM