VEVOR Linear Guide Rail 2PCS HGR20-1000mm +4 Slide Blocks RM1605 BF/BK12 Nut CNCHGR20-1000 Linear Rail KitsHigh-quality MaterialHigh Hardness & RigidityComplete Sliding UnitEasy to AssembleExtensive ApplicationRail
Shaft Length: 39.3 in / 100 cm, Type: HGR20 Slide Rail, Nuts: BF12 / BK12 Nuts, Allowable
Static Torque: 0.17 KN. m, Block Dimensions (L x W x
H): 2.8 x 1.6 x 1.3 in / 7.3 x 4.2 x 3.4 cm, Fixing Screw
Hole Size: M4 x 16 mm, Static
Load Ratings: 25.31, Material: Gcr15 Steel, Performance: Smooth Motion, Low Noise,
Net Weight: 24 lbs / 11 kg