FCS II Harley Ingleby Tri-Quad Fins blem Ultra-fine rectangle tread make this

Ultra-fine rectangle tread make this pad non-intrusive and maintains a natural feeling

Smaller than a dime

Hull entry that blends into spiral-vee

transitioning into double between the fins

I would suggest they be used either in midlength twins

FCS II Harley Ingleby Tri-Quad Fins blem Ultra-fine rectangle tread make thisHarley Ingleby's Mid 6 and Moe midlength models have become some of the most popular in this category. This is Harley's preferred fin set that's spec'd to work on longer boards and encourages a more progressive style of mid length surfing. HI also rides this set on in other hybrid shapes. The HI Mid set can be applied to any mid length with a Tri Quad setup. The set comprises the Reactor Large thruster template and the Performer Medium quad rear fins.