Specifications: Comes with 14 teeth 9.5mm gear diameters. It operates at an 21V voltage level with a high-speed performance Material & Build: Crafted from sturdy stainless steel, ensuring durability. Features a high-grade pure copper coil for efficient and powerful output. Designed with excellent heat dissipation capabilities, it includes an effective cooling fan for stable performance. Easy Installation: The motor is easy to install with a front-mounted, simplifying the installation process in various electric tools. Compatibility: Perfectly suited for various electrical tools such as electric chainsaws, reciprocating saws, cordless saws, and other rechargeable handheld tools<br><br>Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:As Shown Material:Aluminum alloy<br><br>Package Contents: 1x RS550 DC Motor<br><br>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.