1.material: zamak3 zamak5 2. Set Screw Connector and Coupling 3.size: 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" suitable for EMT Set Screw Connector 1)Material: aluminum A380, ADC12 , ADC10, ZL102 ; zinc ZA-3, ZA-5,4-0,4-12)Product weight: from 0.02kg to 15kg3)Applied software for specification drawings: PRO/E, Auto Cad, Slid Work, CAXA, UG, CAD/CAM/CAE4)Secodary machining: CNC turning, Milling, ...