General description Please fit with care. Ensure the brake pipe has a clean and smooth professional cut to enable the compression olive to create the join. The pipe must be clean and pit-free. These compression fittings are tested to 600 bar and assemble without flaring, suitable for Copper, Cupro Nickel, and Steel brake pipes. Technical specifications Tested to: 600 bar Sizes: 34.4 x 12mm (Hole size - 3/16"), 34.4 x 12mm (Hole size - 5mm), 34.4 x 15mm (Hole size - 6mm), 38.6 x 15.8mm (Hole size - 8mm) Compatibility and accessories Replacements available: Part Nos. 34150 (3/16"), 34151 (5mm), 34152 (6mm), 34153 (8mm)