Miller/Ripley duct cutter for smooth cutting of fiber optic blow-in microtubes up to 64 mm diameter The Miller® MC02-7010 Micro Pipe Cutter is designed to make clean, square and burr-free ring cuts in plastic fibre pipe up to 64mm in diameter. This pipe cutter is ideal for cutting PVC, CPVC, HDPE and other non-metallic pipe and tubing while protecting the internal fibres. Features: