ELEVATOR DRILL PIPE 3-½" - 250 TONS, TYPE : CENTER LATCH MGG, RATED CAPACITY : 250 TONS, ELEVATOR BORE : 3-31/32" , BORED TO FIT 3-1/2" EU DP, 18° TAPERED SHOULDER TOOL JOINT OD 4-¾"-5" , RANGE _ LINKS 2" ¼ - 3" ½ , PROOF LOAD TEST : 375 TONS AS PER API 8C, EDITION JUNE 1992, DDZ250T 3.1/2"EU