Diamond Core Drill Specification:(3 speeds) Drill Capacity:80MM Rated Input power:1500W No-load speed: ... 0-880/1,990/3,960r/min Diamond Core ... DrillSpecification:Drill Capacity:80MM Rated voltage:110V/230V Rated Input power:1, ... Brush, Inner hexagonal spannerCompany introduction :We manufacture power tools such as angle grinder,electric drill, ...