Ensures Compatibility - The Adapter for Diamond Core Cutters is a system part that ensures compatibility between diamond drilling tools and core bits. Close attention must be paid to information on the machine holder and the core cutter holder in order to select the correct adapter. Features and Benefits • Ensures Compatibility Between Diamond Drilling Tools and Core Bits • Adapter for Diamond Core Cutters is a system part that ensures compatibility in diamond drilling tools and core bits • Close attention must be paid to information on machine and core cutter holder in order to select the correct adapter Specifications Adapter for machine side: Hexagonal Adapter for core side: G 1/2" Total length: 88mm