... 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 ... manufacture power tools such as angle grinder,electric drill,impact dirll,polisher,jig saw,electric planer,circular saw ... first,customer first"5, The type of our products are various.6, OEM service is available. Diamond Core Drill--G12-80