Abracs ABDCORESET5 Dry Diamond Core Set (5 Piece) 42, 52, 65, 117, 127mm The Abracs 5 piece dry diamond core set is manufactured using tool grade steel and premium quality diamond grain. Features: 150mm length with a 10mm diamond segment set into metal core Excellent working life, speed and performance Kit contains the most popular sizes plus a full range of accessories Comes with: Chuck adaptor SDS adaptor Universal extension Guide rod Drift key Masonry bit Aluminium trolley case Specification: Length: 150mm (6") Segment size: 10mm