The recirculating guides consist of a block and a guide rail, both having two R-shape raceway grooves that are machined and precision ground. The block consists of a main body with two raceways and a resin return cap to ensure smooth circulation of balls. These low friction, compact and light weight recirculating guides are capable of carrying loads in excess of 700 kg and provide travels up to 1000mm. Stainless steel units are also available.