Epic Tools Ltd is offering the all. Clipacore XPRESSCUT Electricians 42mm, 112mm & 152mm Dry Diamond Core Set. Features on the Item. ELECTRICIAN-FOCUSED KIT: Built around common electrical drilling applications including multiple cable runs, oversized conduits, utility penetrations, bathroom vents and HVAC duct openings. THREE XPRESSCUT CORE SIZES: Includes 42 mm, 112 mm and 152 mm dry diamond core bits to cover a practical spread of smaller service holes and larger duct or vent openings. QUICK RELEASE WORKFLOW: Clipacore adaptors and clips help reduce time lost changing between core sizes and avoid the frustration of tightened threaded components. HEX AND SDS SETUPS INCLUDED: Supplied with both HEX and SDS extension bar arrangements, helping users work from different drill connection types. VERIFIED PRODUCT SPECIFICATION: Includes 3 x core bits, 3 x core adaptors, 3 x clips, HEX and SDS extension bars, knock out tool, guide pin, drill bit and drift key. Product size 190 x 410 x 385 mm, weight 7750 g. 3 x XPRESSCUT quick release premier Diamond core bits: 42mm / 112mm / 152mm. 3 x Clipacore Core Adaptors. X3 Quick release clips. 1 x HEX extension bar with Clipacore drill adaptor. 1 x SDS extension bar with Clipacore drill adaptor. 1 x Clipacore knock out waste removal tool. 1 x A taper 12mm guide pin. 1 x A taper 12mm drill bit. 1 x Drift key.