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Grease Zerk Four-Thread Sort Tray
A 150 x 110 x 16 mm bench tray for sorting grease fittings (zerks). It has four rows of six thread-down sockets, one row per thread size: M6x1 (6.4 mm bore), 1/4-28 UNF (6.8 mm), M8x1 (8.5 mm) and M10x1 (10.5 mm). There's also a 24 mm front trough for caps and loose fittings, so a mixed coffee-can of zerks gets sorted by thread and you can pick the right one at a glance.
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