Test Fixtures, Miscellaneous Tools and Emergency Response Fixture Betts Industries’ accessories designed to support Betts products. Spanner Wrench Wingnut Wrench Socket Adapter Full Opening Manhole Wingnut Wrench Full Opening Manhole Test Fixture for 16″ and 20″ Clamp-ring Style PAF’s Test Fixture for 10″ PAF Port Plug for Normal Vent Hole Plug for 3.5″ Vapor Recovery Valve (fits 3.844″ dia. hole) Plug for Liquid Level Switch (fits 2.38″ dia. hole) Emergency Unloading Fixture 3″ TTMA Blind Flange with Blind Holes