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Air Fitting And Hose Coupler Sort Block
A 148 x 118 mm tray with 11 thread-down cups for loose brass fittings. There are four 15 mm cups for 1/4" NPT plugs and couplers (thread OD 13.7 mm), four 18.5 mm cups for 3/8" NPT (17.1 mm) and three 28 mm cups for 3/4" garden-hose GHT fittings (about 26.5 mm). The bores are oversize so slightly different brands still fit. Each fitting stands on its threads with the hex body sitting on a chamfered rim, so the drawer full of mixed couplers becomes one tray you can read at a glance.
Hose And Pipe Thread ID Gauge Card
A 150 x 60 x 3 mm gauge card that identifies a hose or pipe thread. It has four 60-60 mm thread combs: 11.5 TPI (2.21 mm, used by garden hose GHT and 1" NPT), 14 TPI (1.81 mm, 1/2" and 3/4" NPT/BSP), 18 TPI (1.41 mm, 1/4" and 3/8" NPT) and 1.5 mm metric (M22 pressure washer). Three U-notches check male thread OD: 21.6 mm for 1/2" NPT, 27.3 mm for 3/4" NPT/GHT and 33.7 mm for 1" NPT. With it you can tell which adapter to buy before you go to the hardware store.