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G-Square Surfboard Fin and Outline Layout Measuring Tool

Product image 1G-Square Surfboard Fin and Outline Layout Measuring Tool
Product image 2G-Square Surfboard Fin and Outline Layout Measuring Tool

Regular price $ 25.98

G-Square Surfboard Fin and Outline Layout Measuring Tool

Back by popular demand and improved!

The G-square is simplest and most intuitive way to measure and lay out surfboard fin positions including distance from the tail, distance in from the rail, and fin toe-in angle.

Just pencil mark your fin position "shaper's dot" coordinates up from the tail and in from the rail on the bottom of the G-square and simply subtract the toe-in measurement from the top of the G-square and place a dot to set the angle.

Position your finbox install router jig on the dots and route away!

Standard fin toe-in measurements:

1/4" toe-in for the front fins in a tri-fin or quad setup

1/8" - 3/16" toe-in for rear quads fins

1/8" - 3/16" for keels or twin fins 

The new and improved G-square now also measures key outline points on your shape (widepoint, 12" from nose, 12" from tail) with it's slotted width markings from 6" to 24" wide.

 

 

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