Ding Repair – Fins Unlimited Longboard Centre Fin Box

Fins Unlimited Standard 10.5″ Longboard Box White or White

10.5″ Fins Unlimited Bahne Center fin Box

The industry standard surfboard center fin box. Also known as a “Bahne Box” it’s typically used in Longboards, Single Fin surfboards, Egg and Bonzer Shapes, and as a Stand Up Paddleboard fin box.

You can install a 10.5″ center fin box in a quad fin setup to make it a “Versaplane” where the fin arrangements are endless…

You can also make your own center fin router install jig templates below:

Print both pages full scale, tape together, transfer the pocket outline to 1/4″- 1/2″ thick plywood

10.5″ Center fin box router template for use with a 1/2″ diameter router bit with 1/2″ pattern bearing on top (page1, page2)

10.5″ Center fin box router template for use with a 1/2″ diameter router bit with 5/8″ Outside diameter router collar (page1, page2)

10.5″ Center fin box router template for use with a 1/2″ diameter router bit with 3/4″ Outside diameter router collar (page1, page2)