Cheston Rotary Hammer Reversible Drill Machine 20MM 500W with Drill Bits I 850RPM I 3 Functions with Vibration Control SDS-Chuck, Copper Armature I Heavy Duty use for Concrete, MetalI Comes in Carry Tool Box ROTARY HAMMER DRILL: 500W heavy duty hammer drill with 850 RPM. The 20mm Hammer Drill is Ideal for both Home & Professional Masonry, Concrete, Natural Stone work , Metal and drilling anchors and fixing holes. SDS 20MM DRILL: Max drilling diameter for concrete is 20mm, wood is 30mm and for metal is 13mm. SDS rotary hammer for easy hammer drilling. Sturdy motor with a copper armature. INCLUDED COMPONENTS: 1 Rotary Hammer Drill, 1 Depth gauge, 6mm, 8mm, 10mm drill bits, BMX Tool Box 3-in-1 MODE: The Rotary Hammer comes with Hammering & Drilling Function along with reversible drill feature for your different needs. Lock-on button for continuous use 6 MONTHS MANUFACTURING WARRANTY: For any queries you can contact us at our customer care.