VEVOR Linear Guide Set, SFC20 1000mm, Comes with Two 39.4 in. /1000 mm SFC20 Guides, 4 SC20 Slide Blocks, and 4 Guide

SFC Linear Guide Rail. VEVOR SFC linear guide rail includes 2 guide rails and 4 slide blocks. The durable aluminum guide rails feature precise hole diameter and distance, while the SC slide blocks utilize ball bearings for smooth and unobstructed movement. Multiple specifications are available to perfectly fit your needs.

• Made of carbon steel and aluminum with chrome-plated surface
• Built-in ball bearing provides low friction movement,not tilted
• Suitable for router/mill/3D printers laser engraving machines