We have Bare-Tool Panasonic EY7840X 14.4-Volt Li-ion Rotary Hammer Tool Only, No Battery with Product Detail Compact & Lightweight. Length 9-Inches, 5.1lbs Hammer mode: 0 -1,000 rpm and a maximum of 4,000bpm with a hitting force of 21.6 Kn. Drill mode: 0-1,000 rpm 5/8-Inch Chuck SDS Plus Bit Ssytem GuardION Battery Protection System . The "Bare-Tool Panasonic EY7840X 14.4-Volt Li-ion Rotary Hammer Tool Only, No Battery" is best product for you. We recommended Bare-Tool Panasonic EY7840X 14.4-Volt Li-ion Rotary Hammer Tool Only, No Battery