DUCKDOG 2Pcs Linear Rail HGR20-1200mm 4Pcs HGH20CA Square Type Carriage Bearing Block Linear Guide Rail Set Slide Guide Rod Overall Length 47.2 inch(1200mm) CNC 3D Printer (BDRF055263AU4V6KU17DZZKE)

HGR20 linear guide rail set includes 2Pcs HGR20-1200mm(47.2 inch) linear guide rail and 4Pcs HGH20CA bearing blocks. Professional and technical rail and block, high rigidity and high load.Smooth running, low noise and non-pollution. Made of bearings steel, surface chrome plating beautiful anti-rust, more durable, designed to achieve high precision linear motion, low friction coefficient. Linear guide rail have square carriage blocks,so that you can assembly to the flange type and rectangular, steel material support rail with pre-drilled holes for ease of mounting. The CNC linear rail is widely used in automatic equipment, precision measuring equipment, and many other machines that need precision linear movement.