20V Brushless 1.2J Rotary Hammer Senix rotary hammer features an SDS-Plus chuck for quick bit changes and 2-mode operation for versatility. An LED light, brushless motor, and ergonomic design ensure powerful performance and comfort. Lithium-ion packs make it lighter and longer-lasting. SDS-Plus chuck for quick, secure, tool-free bit changes 2-Mode operation for "Rotation Only" or "Hammering with Rotation" LED light to illuminate the work area Brushless motor provides maximum power, extended runtime ,and longer motor life Improved over mold with customized micro texture For optimum grip and user comfort Lithium-ion packs perform better, last longer and weigh less