The holes are on 19mm (3/4") centre and the bushings and centre section are mode of hardened drill steel

Drilling diameter in concrete with core cutters: 40 - 90 mm

Features: • The DC-200 Diamond Wheel Coarse is designed to provide effective sharpening and rapid repair of a dull or damaged edge

All starter sets supplied with water feed adaptor

eliminating the need to re-zero the dial

200mm Diagonal Cutting Pliers High Leverage 7421200 by Knipex Socket Rail The holes are on 19mmFeatures: For very tough, continuous use High cutting performance with minimum effort due to optimum co ordination of the cutting edge angle and transmission ratio Precision cutting edges additionally induction hardened (cutting edge hardness approx. 64 HRC), for all sorts of wire including piano wire Chrome vanadium heavy duty steel, forged, multi stage oil hardened Specifications: Pliers: black atramentized Handles: plastic coated Piano wire: 2. 5mm