Lead Screw Extra ANTI BACKLASH Nut 8mm

From the shop's description

Lead Screw Extra ANTI BACKLASH Nut 8mm – suitable for lead screw 8mm at our store. Anti Backlash lead screw nut for TR8x8 metric lead screws. The nut consists of 2 pieces with a preloaded spring between them to get rid of backlash during movent. How the anti-backlash mechanism works? The assembly consists of a main nut body and a secondary ring. There is a spring in-between the two which force each part against opposing flanks of the screw thread, effectively creating a bias which takes up any backlash during movement.