VEVOR Linear Guide Rail Set, SBR12 1000mm, 2 PCS 39.4 in/1000 mm SBR12 Guide Rails and 4 PCS SBR12UU Slide Blocks, Linear Rails and Bearings Kit for Automated Machines DIY Project CNC Router Machines Neat Keystone Correction: Auto Trapezoidal Keystone+4D

Keystone Correction: Auto Trapezoidal Keystone+4D Digital Keystone ±50°

10mm out of true wall adjustment

Brass hinge with squared edges

Quick and easy operation

VEVOR Linear Guide Rail Set, SBR12 1000mm, 2 PCS 39.4 in/1000 mm SBR12 Guide Rails and 4 PCS SBR12UU Slide Blocks, Linear Rails and Bearings Kit for Automated Machines DIY Project CNC Router Machines Neat Keystone Correction: Auto Trapezoidal Keystone+4DProduct Features SBR Linear Guide Rail Set SBR12 1000 mm Linear motion guide rail includes 2 x 39. 4 in 1000 mm length SBR12 guide rails and 4 x SBR12UU slide blocks. Dynamic Load Per Block: 372 N, Static Load Per Block: 549 N. Durable & Long lasting The linear rail is made of carbon steel and aluminum with a chrome plated surface for rust resistance and high durability. Built in 4 aluminum slide blocks and ball bearings for smooth and unobstructed