Specifications include, but are not limited to: JOINT RESTRAINER: 6" FOR 6.90 O.D. DI PIPE TO INCLUDE BOLTS, GASKET AND RING AS ONE SET NOTE: SPECIFICATION FOR JOINT RESTRAINER MUST BE ABLE TO RESTRAIN TO A WORKING LINE PRESSURE OF 150 LBS. MIN., PLUS AN ALLOWANCE FOR PRESSURE SURGES STARGRIP 3000, SIGMA ONE LOCK, ROMAC RG FORD UNI-FLANGE 1400, TYLER TUFGRIP TLD-4 MUST MEET "UL" OR "FM" RATING APPROVAL AND ASTM A536 CIF WA-821-010-62005; JOINT RESTRAINER: 8" FOR 9.05 O.D. DI PIPE TO INCLUDE BOLTS, GASKET AND RING AS ONE SET NOTE: SPECIFICATION FOR JOINT RESTRAINER MUST BE ABLE TO RESTRAIN TO A WORKING LINE PRESSURE OF 150 LBS. MIN., PLUS AN ALLOWANCE FOR PRESSURE SURGES STARGRIP 3000, SIGMA ONE LOCK, ROMAC RG FORD UNI-FLANGE 1400, TYLER TUFGRIP TLD-4 MUST MEET "UL" OR "FM" RATING APPROVAL AND ASTM A536 CIF WA-821-010-62010.