- Rotabroach Mini Cutter Metric Kit 3/8" DiameterSpecial Price £134.46 £161.35Rotabroach Mini Cutter Fractional Kit 3/8" DiameterSpecial Price £134.46 £161.35Rotabroach Mini Cutter Metric Kit 1/2" DiameterSpecial Price £140.86 £169.03Rotabroach Mini Cutter Fractional Kit 1/2" DiameterSpecial Price £134.46 £161.35