Grade 100 Bow Shackle Specifications STOCK NUMBER SIZE PIN DIAMETER WORKING LOAD LIMIT WEIGHT/PIECE(LBS.) XSPAA250 1/4″ 5/16″ .75 0.10 XSPAA312 5/16″ 3/8” 1.0 0.18 XSPAA375 3/8″ 7/16” 2.0 0.31 XSPAA437 7/16″... MSRP: Was: Now: $6.00 - $18.00 Choose Options