Perfect gift for your husband The powerful hammer drill is very easy to use and made quick work of your concrete drilling project and tile floor demolition.Also working good on backyard renovations, such as break up some cement and bricks. The hammer function is very effective for chiseling concrete.Double layer anti-dust bottom structure extend the hammer’s use life.The chipping hammer comes with 3 bits for drilling holes, 2 chisels for breaking concrete.3 Function Modes: 1. When DIAL is turned Back, and LEVER Left, you have Hammer Drill2. When DIAL is turned Front, and LEVER Left, you have Hammer Only3. When DIAL is turned Back, and LEVER Right, you have Drill Only4. When DIAL is turned Front, and LEVER Right, you have Neutral, the motor will run, but it doesn't do anything.Product Details: Voltage: 120V Power: 1500W No Load Speed: 880r /min Impact Rate: 0-4350/min Impact force: 5.5 JConcrete capacity.: 1-1/4 inch Steel capacity: 1/2 inch Package Includes:1 x 1-1/4 Inch Power Hammer Drill3 x SDS-Plus Drill Bits（8mm/10mm/12mm*150mm）1 x 14*250mm Flat Chisel1 x 14*250mm Point Chisel1 x Auxiliary Handle1 Set x Carbon Brush1 x Grease1 x Dust Proof Cap1 x Grease Cap Wrench1 x User Manual1 x Card1 x Carrying CaseNotice:Open the grease cap on top of the hammer drill with the special wrench and make sure that it is full. BEFORE EVERY USE, check to make sure the chamber is topped up. Use a little grease on the end of the SDS bits to make sure that they slide in and out of the demolition hammer easily without getting jammed.Use the drill attachment dust cover, they will prevent dust, and debris, from entering the drill attachment mechanism, and insure your sds plus drill remains maintenance free, and working properly.You will want to use gloves, eye and ear protection.