Only a few Kirton models use this no-frill (Holt HT337) inspection hatch, including the Talisman, Econonmy Tor and Econonmy Mystere. It fit’s a cut Aperture of 110mm diameter. The inside diameter (where your hand fits) is 100mm. The diameter of the base is 140cm. The total diameter of the screw and cover is 145mm. Fit with 6 aluminium rivets. Not included.

{simplecaddy code=99 nextcid=105}



[Below] This hatch design replaces an older design pictured below.