11 Piece Diamond Core Drill Kit suitable for brick and concrete blocks etc. The cores are ideal for plumbing, electrical, engineering installation and general building tasks. All cores are 1⁄2in. BSP threaded with 8mm turbo segments. Contains: 5 x Diamond Cores with 8mm Turbo Segments: 38mm, 52mm, 65mm, 117mm, 127mm.1 x SDS Plus Extension Adaptor 10mm x 115mm.1 x HEX Extension Adaptor 12mm x 88 mm.1 x SDS Plus Extension Adaptor 10mm x 240mm.1 x HEX Extension Adaptor 12mm x 240mm.1 x A-Taper Pilot Drill 10 x 200mm.1 x Extractor Drift Key. Features: 5 x Diamond cores: 38,52,65,117 and 127mm 8mm high turbo diamond cutting segments 8mm high turbo diamond cutting segments 2 x SDS+ extensions, HEX extension and Adaptor, A-Taper pilot drill and drift key Specifications: Dimensions: H:44.0 x W:15.5 x D:41.0 cm Colour: Multi Guarantee:5 years Material: Metal Model Number: FAIDCKIT11