Fits 40mm diameter oar shafts.
Suits our Gull brand 1.5m (5') and 1.65m (5' 6") wooden oars.
They are a tight interference fit and will stay in position without any need for nails.
Priced and sold per pair.
(Note: use the sleeve, code OA35, for the longer oars which have 44mm shafts)