Round base Stainless Steel investment cast padeye. 316 Stainless Steel includes delrin(tm) base. Order Backing Plate 97-53 separately. Eye Width 1" (25 mm), Eye Height 13/16" (21 mm), Eye Stock 3/8" (10 mm), Length 2-1/2" (64 mm), Width 2-1/2" (64 mm), Fasteners (4), 1/4" FH (6 mm), C/C A 1" (25 mm), C/C B 1-1/2" (38 mm), SWL 4000 lbs. (1800 kg)