10Pcs Openbuilds Lock Collar T8 Lead Screw Lock Screw Lock Ring Lock Block Isolation Column 3/4/5/6/8//10/12/16mm for 3D Printer

10Pcs Openbuilds Lock Collar T8 Lead Screw Lock Screw Lock Ring Lock Block Isolation Column 3/4/5/6/8//10/12/16mm for 3D Printer

Aliexpress UK