This comprehensive kit includes a drop forged vanadium steel yoke and die blocks designed for carrying out cold swaging and flaring The range of adaptors and two die blocks accommodate 3mm to 20mm tubing Applicable for use on copper, brass and aluminium tubing Suitable for automotive, plumbing, industrial and hardware applications Flaring & Swaging: 3mm 1/8 (flaring only), 5mm 3/16, 6mm 1/4, 8mm 5/16, 10mm 3/8, 16mm 5/8, 20mm 25/32