"Pro Sect" Bowling Ball Quarter Scale Layout Tool

“ProSect” Bowling Ball Layout Tool

Made to measure or find bowling ball layouts for finger drilling.

Measurement increments in 1/8 inch, for 1/16 go between the lines.

Angle Degree Scale must be Printed Upside down

Use supports for overhang assemblies for easy assemble

Print and Glue with Superglue (Cyanoacrylate)

With a Sharpie you can mark the measurements for easy reading