2Pcs Metal Synchronous Pulley Gear Motor Belt Gear Drive Wheel Gear Mini Lathe Gears , Metal Cutting Machine Gears

Product name: Metal synchronous gear (aluminum alloy material)

Specifications: internal diameter of the synchronous motor gear8mmWidth of groove3mm
Diameter of the drill of two synchronous rear axles10mmWidth of the slot4mm
colour: silver
Material: metal

Package Contents:
1 set x Metal Cutting Machine gears

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.
The measurement allowed error is +/- 1-3cm.