2pcs Bevel Gear 2M 20 Teeth 12mm Shaft Hole Tapered Pinion Gear with 4mm Keyway 1.6x8.5mm Fit Mounting Hole Diameter: 9

Fit Mounting Hole Diameter: 9

Size(Approx): 104 x 50 x 9

If the range of the nut size is 4

1 x Electric Synchronous Motor

80(+/-2%) x Picture Hangers

2pcs Bevel Gear 2M 20 Teeth 12mm Shaft Hole Tapered Pinion Gear with 4mm Keyway 1.6x8.5mm Fit Mounting Hole Diameter: 91. Ratio: 1: 1, Module: 2M (2 Module), Steering Angle: 90 Degrees, Tooth: 20 Teeth, Shaft Hole: 12mm, Fixed Method: M5 Screw Side Fixed, Overall Size: 42 x 27mm 1. 65 x 1. 06inch 2. The bevel gears are made of 45# steel and feature high wear resistance, strong and durable, which takes the quenching and blackening process for a long life time. 3. The bevel gear set comes with 2 x Bevel Gears, 2 x M5 Screws, 1 x Hex Spanner for simplicity and convenient