... ,superior performance and competitive price Inserts,Ferrule,3 pieces for nylon tubing: • Features:3,4,7 pieces for tube is fitted ... to the nylon hose and other tubes.have brass sleeve(insert), cutting ring ... . • Fit size:¢5,¢6,¢8,¢10,¢12,¢14,¢15,¢16 nylon tube and others. • Applications:Auto parts of automobile,mining machine ...