This is a power tool accessory. The detailed explanation is as follows:
- “Copper Carbon Brushes”: Copper carbon brushes, specifying the product type. They are carbon brushes made of copper and carbon materials. Copper can enhance electrical conductivity and strength, while carbon ensures good lubricity and electrical conductivity.
- “for D25102K Heavy Rotary Hammer (D25103K/D25122K/D25123K)”: Suitable for the D25102K heavy rotary hammer, as well as rotary hammers of models D25103K, D25122K and D25123K. It indicates the compatibility range of this copper carbon brush. Only heavy rotary hammers of these specific models can use this copper carbon brush for replacement or maintenance.