Malone Specialty Inc. offers Carbon Steel DIN to JIC Conversion Cones, Nuts, & Sleeves and 316 Stainless Steel DIN to JIC Conversion Cones, Nuts, & Sleeves in sizes from 6mm up to 42mm. These Metric Tubing to JIC Conversion Kits, also known as Walterscheid Couplings, are available in various configurations including: Metric Tubing to JIC Cone Centering Units, JIC Flare Nuts, Along with the Metric Tubing Supporting Sleeve.