Material:Brass
Color: Yellow
Modulus:0.5
Height: 20MM/0.79 Inch
Outer Diameter:9.8MM/0.39 Inch
Inner Diameter:3.17MM/0.12 Inch
Size: 20x9.8x3.17MM/0.79x0.39x0.12 Inch( H x OD x ID)
Weight: 10g
Features:
1.The worm drive structure is relatively simple and compact, small size, light weight compared to the gear drive.
2.High quality material selection, carefully processing create high quality product.
3. 3.17mm hole diameter, 0.5m modulus.
4.Made of brass, with long time service.