Gas Thread Ring Gauges + Plugs

3/4" 1" 1.1/4" Ring Gauge Set + Plug Includes: 1x G 3/4" Ring Gauge, Tol. A GO (Right-Hand Thread) 1x G 3/4" Ring Gauge, Tol. A NOGO (Left-Hand Thread) 1x G 1-11 Ring Gauge, Tol. A GO (Right-Hand Thread) 1x G 1-11 Ring Gauge, Tol. A NOGO (Left-Hand Thread) 1x G 3/4" Ring Gauge, A-LH GO (Right-Hand Thread) 1x G 3/4" Ring Gauge, A-LH NOGO (Left-Hand Thread) 1x G 3/4" Plug, GO/NOGO (Right-Hand Thread, Left-Hand Thread) 1x G 1" Plug 1/4 GO (Right-hand Thread) 1x G 1 1/4 NOGO Screw Cap (Left-hand Thread)