Grade 100 Hammer Lock Specifications Grade 100 STOCK NUMBER SIZE DIMENSIONS Working load limit A B C D XCL281 9/32″ 0.30” 0.55” 1.75” 2.36” 4,300 lbs. XCL312 5/16” 0.40” 0.84” 2.42” 3.25” 5,700 lbs. ... MSRP: Was: Now: $12.00 - $80.00 Choose Options