WUDOLI speed box Turbo Worm Motor Speed Reducer, 37mm Full Metal Gearbox, Motor Speed Reduction For 520/3530/545/540 Motor reducer gearhead (Size : 30, Color : 3.17mm)

speed box Turbo Worm Motor Speed Reducer, 37mm Full Metal Gearbox, Motor Speed Reduction For 520/3530/545/540 Motor reducer gearhead (Size : 30, Color : 3.17mm)

Zeberoxyz 2PCS Set GT2 Synchronous Wheel 20&60 Teeth 5mm Bore Aluminum Timing Pulley with 2PCS Length 200mm Width 6mm Belt (20-60T-5B-6)

BRINGSMART A58SW31ZY 12V DC Worm Gear Motor Self-Locking Reversed Mini Turbine Geared Motor for DIY Robot Rotating Table Door Lock Curtain Machine (12V 260rpm)