The shell made of Metal material, accurate mould, solidly constructed. It is the best replacement for damaged or rusty motors on your electric tools. Suitable for electric chain saws, reciprocating saws, chainsaws, rechargeable hand saws, etc. Easy to operate, the front can be fixed with 2 x M3 screws, very convenient. Pure copper coil, low current, high efficiency, strong output power. Excellent heat dissipation performance, good cooling effect of fan, stable operation. Colour:As Shown Material:Metal Package Contents: 1 x Motor with ecs Only the above package content, other products are not included. Note: Light reflection 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.