4x 0.5 Modulus Worm Wheel and Gear Shaft Hole 6mm 1:40 Reduction Ratio Gear

0.5 Modulus Worm Gear Wheel + Brass Gear Shaft Set. 2 Pieces 0.5 Modulus Worm Gear Wheel. 2 Pieces Brass Gear Shaft. It's just take you 1 minute. High quality material selection, carefully processing create high quality product.

eBay