Groco Spanner Wrench / Deck Plate Key Fit:1/4" (6.35 mm) & 5/16" (7.94 mm) The two holes at the

The two holes at the end provide for 180 degree rotation

Sheave Ø: 40 mm

And lastly

Fitted with high performance C-cleat and fairlead for secure and easy cleating

Waterproof: to 24 m

Groco Spanner Wrench / Deck Plate Key Fit:1/4" (6.35 mm) & 5/16" (7.94 mm) The two holes at theGroco Spanner Wrench Deck Plate Key. ARG, SS, SD and BVS series strainer caps have holes for use with SW 2531 spanner wrench to loosen the cap during maintenance of the cap seals or servicing the filter basket. (Hand tightening provides a sufficient seal for threaded caps). Do not use SW 2531 to tighten non metallic caps. Cast bronze with stainless steel pins to fit 1 4" (6. 35 mm) and 5 16" (7. 94 mm) holes Opens to service deck plates or strainer