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4.3.3   measurement The ring finger span is often derived from the middle finger span rather than measured independently, using the 5/16" Ring Finger Rule. Spectre Cloud can apply this calculation for you through Auto-Calculate Ring Span (2.6.8), or you can...

1. Select Customer Account Click and select the bowler 2. Hole size Click on hole size 3. Open drop down Click here to open the drop down. 4. Select the size Click and select the size of the hole 5. Hole size Repeat the same process for the ...

4.4.2   measurement When a bowler uses finger inserts, the spec sheet needs the insert type, the insert size (ID), and the drill bit OD for each finger. The order you enter them in matters — enter type and size first and Spectre Cloud's auto-suggestions do th...

4.4.5   measurement Finger pitch is entered directly into the pitch tiles surrounding each finger hole on the spec sheet. There's no direction to "select" — the tile you put the value in is the direction. This page covers how to read and enter those tiles for...

4.4.6   measurement CLT (Center Line Transformation) is a fitting measurement that captures how a bowler's finger centerline relates to the ball's grip center. Spectre Cloud uses it to derive the lateral finger pitch. This page explains the two ways CLT is ...