2pack Bevel Gears 1M 20 Teeth 5mm Shaft Hole Tapered Bevel Pinion Gear 5mmx3mm these curtain grommets are rust-proof

these curtain grommets are rust-proof and can be used in humid places

94-inch (L*W)

Unfolded Size: 110 x 120mm / 4

81inch(L*W*H)

Mounting: M6 screw holes

2pack Bevel Gears 1M 20 Teeth 5mm Shaft Hole Tapered Bevel Pinion Gear 5mmx3mm these curtain grommets are rust-proof1. Ratio: 1: 1, Module: 1M (1 Module), Steering Angle: 90 Degrees, Fixed Method: M5 Screw Side Fixed, Tooth: 20 Teeth, Shaft Hole: 5mm, Overall Size: 16 x 18mm 0. 63 x 0. 71inch 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 for simplicity and convenient use. Lower contact ratio between