Lewmar Size 40 Low Profile Self Supporting Hatch Accessories Club FJ 6 x M8 (5/16 in)

6 x M8 (5/16 in) c'sk head screws on 136mm (5 29/32) PCD or 6x M8 Studs

go with this one

This style is made for heavier or double handed boats

Dynamic American Daysailer 14

Lifa® Stay Warm technology is the unique ingredient of all Helly Hansen base layers

Lewmar Size 40 Low Profile Self Supporting Hatch Accessories Club FJ 6 x M8 (5/16 in)Product Description Lewmar Size 40 Low Profile Self Supporting Hatch Size 40 Low Profile Hatch with Stay is made to order. All sizes suitable for CE Area 2 (Deck, Coach roof, Cockpit and Transom). Mounting Instructions: Fit to a flat surface with a maximum tolerance of + 1mm. Fastening size at hinge section use (M6 1 4"). Fastening size for lower frame use 5mm CSK screw No. 10 UNC 2 BA. Specifications Support System Self Supporting Lower Frame (in) 9