The fixture assembly includes an upper and lower clevis, two clevis pins and fracture toughness grips.  Both the upper and lower clevis are supplied with a 1/2”-20 class 2B threaded coupling end.  The clevis pins are 0.250” diameter and made from hardened ground and polished high strength steel.  The fracture toughness grips are made in accordance with ASTM B771 and made from hardened high strength steel.   Capacity: 350 lbs  (1560 N)