Comparison : Item # 1031-6574-04-04-04, Test Point 7/16"-20 Male J.I.C. x 7/16"-20 Female JIC Swivel with 1/4"-18 FPT in Hex Steel MJ-FJS-FP
Item # 1031-6574-06-06-04, Test Point 9/16"-18 Male J.I.C. x 9/16"-18 Female JIC Swivel with 1/4"-18 FPT in Hex Steel MJ-FJS-FP
Item # 1031-6574-08-08-04, Test Point 3/4"-16 Male J.I.C. x 3/4"-16 Female JIC Swivel with 1/4"-18 FPT in Hex Steel MJ-FJS-FP
Item # 1031-6574-08-08-04-SS, Test Point 3/4"-16 Male J.I.C. x 3/4"-16 Female JIC Swivel with 1/4"-18 FPT in Hex Stainless Steel MJ-FJS-FP
Item # 1031-6574-10-10-04, Test Point 7/8"-14 Male J.I.C. x 7/8"-14 Female JIC Swivel with 1/4"-18 FPT in Hex Steel MJ-FJS-FP