Drilling & pro shop

Ball layouts and drilling, span and pitch, plugging, lane oil patterns and what to ask a pro shop.

Drilling & layoutsPin placement and fit Oil patternsHouse and sport shots Pro shop toolsDrilling and resurfacing equipment

Drilling & pro shop

Drilling & layouts

Buying guideBowling Ball Pin-to-PAP Layouts Explained

Drilling and layout

Understand pin-to-PAP, PSA-to-PAP and pin buffer measurements in bowling ball layouts, and what to bring to a pro shop before drilling.

Buying guideBowling Ball Span and Pitch

Ball fit

Learn how span, pitch and hole size shape a bowling ball's fit, what measurement terms mean, and what to discuss with a pro shop.

Drilling & pro shop

Oil patterns

ComparisonHouse Shot vs Sport Shot Bowling Oil Patterns

Lane conditions

Compare house, challenge and sport lane conditions, understand USBC oil-ratio ranges, and decide what to ask before adjusting your bowling arsenal.

Drilling & pro shop

Pro shop tools

Buying guideHow to Check a Bowling Ball's USBC Approval

Competition equipment

Check a bowling ball's exact model on the USBC list, then verify event restrictions, identification marks, fit and condition before league or tournament play.