VEVOR Linear Rail HSR15-300mm 2x Linear Slide with 4 Square Bearing Block

VEVOR Linear Rail HSR15-300mm 2x Linear Slide with 4 Square Bearing BlockFine WorkmanshipHeavy-Duty MaterialComplete Linear Guiding SystemSimple InstallationQuiet OperationExtensive ApplicationType: Linear Actuator,Gross Weight: 7 lbs / 3 kg,Model: HSR15X300 mm,Packing Size: 15 x 5 x 3 in / 32 x 12 x 7 cm,Guide Length: 12 in /300 mm