विवरण

• Specification: Aluminum alloy is light, the top screw is ninety levels design; 45# metallic hardness is high, the top screw is 180 degrees design. If you would like aluminum coupler ,please buy Aluminum Coupling Material: 45# steel,hardened by means of warmth treatment, after which electroplated Inner Diameter:3mm,3.17mm,4mm,5mm,6mm,6.35mm Cylindrical Diameter: 10mm; Cylinder Height: 10mm; Overall Height: 12mm; Fixed Hole Screw:M3 Fixed Hole Distance:16mm Inner Diameter:7mm,8mm,10mm,11mm,12mm Cylindrical Diameter: 16mm; Cylinder Height: 10mm; Overall Height: 13mm; Fixed Hole Screw:M4 Fixed Hole Distance:26mm(11mm/12mm/14mm);24mm(others) Inner Diameter:14mm Cylindrical Diameter: 18mm; Cylinder Height: 10mm; Overall Height: 13mm; Fixed Hole Screw:M4 Fixed Hole Distance:26mm Package Included: Coupler x 1 Spanner x 1 Screw x 2

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