LOT OF 12 PC FOR PLASTIC EXTRUSION TOOLING .5 PCS OF 440 SS BLANKS ,1" OD . ALL HAVE BEEN PREMACHINED ON ONE SIDE WITH 5/8-18 X 3/8 WITH UNDER CUT AND .622 STEP X 1/8" DEEP . SINGLE POINT THREADING CHECKED WITH A GO-NOGO GAUAGE .THEY HAVE A .190 ID HOLE 2-1/2" DEEP,5/16' ALLEN KEY HEX 1/2" DEEP FOR ASSEMBELING TO THE SPIDER PLATE & LATHE AND MILLING FIXTURES FOR FINISH MACHINING . 4 PC ARE 3-3/16' LONG WITH 5/8-18" THREADED STEP 9/16" DEEP. AND 1 PC IS 4.460" LONG . THERE ARE 5 FINISHED MACHINED 440 SS HEAT TREATED 5/8-18 HEX PLUGS USED TO PLUG THE BACK OF SPIDER TOOLING . MAY NEED TO RUN A DIE OVER THREADS TO TAKE OUT A FEW DINGS . AND 2 FIXTURES 1 FOR LATHE AND 1 FOR MILLING FOR FINISHING THE PARTS .IF ANY ? PLEASE CHECK OUT THE PHOTOS .