Features: Enhances your power tool's performances with our high precise 7 tooth gear, designing to ensures smooth and efficient transmission in rotary hammer, extending the lifespans of your equipment. Crafted from cast steel, this gear is wear resistant and impact resistant, making it for various rotary hammer models and easy to install. For professional construction worker, renovations experts, and DIYer enthusiasts seek to improve their work efficiency and outcomes. Perfectly suited for use in building construction, home renovations, and repair projects, meeting diverses drilling needs. Upgrades your toolkit with this essential rotary hammer accessory, ensuring reliable performances and durability in demanding environment. Specifications: Component:Cast Steel Color:Black Size:Approx.3x2.9cm/1.18x1.14inch Package Includes: 1pcs 7 Tooth Gear note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.