127 mm x 150 mm Diamantkernbohrer + 100 mm SDS Dorne + Pilotbohrer
100mm SDS Arbor 200mm Tct Tipped Taper Guide Drill For Use With Sds+ and Hex Arbours and Core Drills. Full 150mm cutting depth spans the cavity to ensure that holes in the inner and outer leaves of the cavity wall line up.