high performance and 6 speed engine: this high-performance hammer drill features a 1500w motor offering a striking energy of 5.5 joules, with a variable speed from 200 to 850 rpm and a no-load impact frequency of 0 to 4400 strokes per minute. perfect for concrete, metal, brick and stone, its 6-position speed selector allows precise tool control according to your job site needs. built for security, this churiner perforator integrates triple protection: a safety clutch to protect your wrists during forcing, a 360deg rotating handle for all working positions, and an anti-vibration system reducing fatigue. its ergonomic non-slip rubber handle ensures a firm and comfortable grip during use. versatile, it combines three functions: drilling (wood/metal), chiselling (concrete/brick) and perforation (intensive work). its intelligent safety device automatically stops the machine in the event of an impact with a metal frame, thus preserving the integrity of the structures without risk of damage. with impressive professional capabilities: (drilling max: 32 mm concrete, 13 mm steel, 40 mm wood), this drill excels in demanding tasks: demolition of masonry, plaster stripping or tile removal. ideal for drilling in wood, metal, concrete and stone. kit includes: 1 heavy hammer drill, 3 sds-plus bits (8/10/12mm), 2 sds-plus 250mm chisels, 1 auxiliary handle, 1 brush set, 1 grease 329, 1 dust plug, 1 instruction manual and 1 storage case - everything you need for your construction work.