DongCheng 1 Inch SDS-Plus Rotary Hammer Drill with Safety Clutch, 6.7Amp Heavy Duty Corded Demolition Hammer for Concrete, 1200 RPM, 3.0 Joules, Including 4pcs Drill Bits

Based on the analysis, the DongCheng 1 Inch SDS-Plus Rotary Hammer Drill has received overwhelmingly positive reviews from customers, with a rating of 4.4/5 and an overall score of 89/100. The high review content quality, reviewer credibility, and product consistency scores suggest that the product is reliable and performs well, especially for heavy-duty demolition tasks. However, the relatively lower seller reputation score of 78/100 may raise some concerns about the brand's customer service and after-sales support.