ITEM NAME:2Pcs 0.5 Modulus Small Reduction Ratio Of 1:10 Motor Output Copper Worm Whe F7Z2 2Pcs 0.5 Modulus Small Reduction Ratio Of 1:10 Motor Output Copper Worm Whe F7Z2 1.100% brand new 2.long time service. 3.carefully processing create high quality product. 4.The transmission structure of worm shaft is simple, compact, small volume and light weight. colour:Gold material:copper size:Worm module 0.5 Outside diameter 7 MM Inner hole :3 (with 3 mm motor shaft fitting) The length : 12 mm Gear: Modulus : 0.5 Number of teeth:20 inner hole :4mm The outside diameter :11.5 MM The total thickness :12 MM thickness :6 MM Package Contents: 1*0.5 holed screw 1*20 teeth
