a general recommendation is the larger diameter of the core drill being used

81751 - 25mm Metric Long Pattern Combination Non-Ratcheting Wrench

360° Rotation & adjustable tilt

Number of needles: 12

Bolt End Cutting Nipper - 6101200 by Knipex Power Tool Combo Sets a general recommendation is thePowerful, compact, comfortable Compared to conventional lever assisted end cutting nippers, greater cutting capacity, less effort required and better handling For all wire classes including piano wire Exceptionald cutting capacity due to high leverage joint Cutting edges additionally induction hardened, cutting edge hardness approx. 64 HRC Vanadium electric steel forged, oil hardened