Zeberoxyz 2PCS Anti-Backlash Nut Block for 8mm Diameter, 2mm Pitch 8mm Lead POM Screw Nut for CNC and 3D Printer (8mm Lead-4-heads)
- Lead means Nut turn one circle,How far the screw forwards.
- Package: 2 sets POM nut kit like the first photo shows.
- 4mm lead is with 2 starts, 2mm lead is with 1starts.