Ortur Laser Master 2 PRO MODEL Ultimate Upgrade Kit | (LU2-4 ...
Uses 4mm allen wrench to adjust, includes T-Handle wrench which hangs on your laser' frame. This set of (Y) belt tensioners for the Ortur Laser Master 2 Pro lets you adjust the belt tension on your LM2 Pro Model. Hand tighten or hand loosen the threaded knob to make adjustments.