"Complete hardware attaching kit for 48"", 52"" or 60"" aluminum pickup truck and trailer loading ramp locking brackets. The kit includes (8) jack nuts 10-24, (8) stainless screws 10-24 x 1.5, (1) jack nut hex tool, (1) hex cap screw 10-24 x 1.5, (1) 5/32"" hex wrench, (1) 1/8"" hex wrench, (1) 3/8"" drill bit, (1) 3/16"" drill bit, and (1) 3/8"" 82 degree countersink drill bit."