Die, 12 Ton, Stainless Steel Crimping Die, U Die. Fits Burndy 12 Ton Y35, Y39 and many other 12 ton tool brands. Also fits Burndy 15 Ton Y45 and Y46 with adapter. Approximate Weight .43 lbs. Die number embossed inside die. We stock hundreds of dies, new and used for sale and rental. Note: Representative Photo. Die Index 168.