1. High hardness aluminum alloy material, sturdy and durable 2. Closely fit the timing belt, the stretching effect is better 3. Turn the big knob to adjust at will 4. Fine production, no burr, strong compatibility, wear-resistant and durable 5. Material: aluminum alloy + stainless steel 6. Surface treatment: anodizing 7. Purpose: used to adjust the tightness of the Y-axis belt of the 3D printer and improve the positioning 8. Applicable models: suitable for Ender 3 series 9. Size: about 9.3 x 7x 1.25cm 10. Weight: about 68 grams
