Comparison : Item # TB101-4, 1/4-20 X 4 TURNBUCKLE BODY (ASTM F1145)
Item # TB102, 5/16-18 X 4-1/2 TURNBUCKLE BODY (ASTM F1145)
Item # TB103, 3/8-16 X 6 TURNBUCKLE BODY (ASTM F1145)
Item # TB105-3, 1/2-13 X 3 TURNBUCKLE BODY (ASTM F1145)
Item # TB105-4, 1/2-13 X 4 TURNBUCKLE BODY (ASTM F1145)