These diamond core drill kits are compiled with electricians in mind, although most plumbers will also find the kit very useful. It includes extended barrel cores in the smaller sizes and features the premium’Lazer’ core bit range. The core sizes selected should meet the requirements of most electrical installations including conduit pipes, armoured cable and extractor fans. A key element is the use of 400mm long barrels in the 22mm and 32mm sizes, enabling most double walls to be drilled through in one operation. The diameter of the fixing adaptors restrict depth on most smaller diameter core bits. The core bits are from the’Lazer’ range with premium diamond segments, laser welded to the barrels for durability. They are suitable for most walls including concrete with reinforcing bar. 25mm and 32mm conduit. The kits is complete with an SDS adaptor, guide drill (for the 150mm barrels), 200mm extension and drift key. A canvas tool hold-all is included. Kit components as above. Dust extraction spirals around barrel exteriors. Canvas tool bag with stiffened base. Component cores supplied boxed.