NEJE Belt Tensioner for Laser Engraver & Cutter

  Features Eliminate the deviation caused by the difference of tension in the Y1, Y2 and X axis directions of the synchronous belt. Draw square box correction.Rotate the bottom screw with a 2.5mm L-shaped Allen wrench to adjust the synchronous belt tension control with high precision. Compatible with NEJE Max 4 or DIY Laser Engraving Machine.All-aluminum alloy integrated cutting and electroplating process, high precision and stable structure. Packing list: Belt adjuster x 3 Belt (3m) x 1 Allen key 1.5mm x 1 Allen key 2.5mm x 1 Allen key 5mm x 1