Layout: 60 degrees x 5 1/2" x 40 degrees RG: 2.55" Differential: .056" M/B: .014" Surface: 1500 grit polished Core shape: Asymmetric With...

Layout: 60 degrees x 5 1/2" x 40 degrees RG: 2.51" Differential: .050" M/B: .030" Surface: 1500 grit sanded Core shape: Asymmetric It's...

Layout: 60 degrees x 5 1/2" x 40 degrees RG: 2.55" Differential: .051" M/B: .017" Surface: 1500 grit polished Core shape: Asymmetric...

Layout: 60 degrees x 5 1/2" x 40 degrees RG: 2.50" Differential: .052" M/B: .019" Surface: 500 grit polished Core shape: Asymmetric...

Layout: 60 degrees x 5 1/2" x 40 degrees RG: 2.49" Differential: .050" M/B: .012" Surface: 1500 grit sanded Core shape: Asymmetric...

Layout: 60 degrees x 5 1/2" x 40 degrees RG: 2.48" Differential: .034" M/B: .013" Surface: 1000 grit sanded Core shape: Asymmetric...

Layout: 60 degrees x 5 1/2" x 40 degrees RG: 2.50" Differential: .053" M/B: .013" Surface: 3000 grit sanded Core shape: Asymmetric The...

Layout: 60 degrees x 5" x 40 degrees RG: 2.54" Differential: .049" M/B: n/a Surface: 1500 grit polished Core shape: Symmetric Around six...

by Jeff Ussery at Total Bowling Gear Layout: 60 degrees x 4 1/2" x 40 degrees RG: 2.48" Differential: .050" Surface: 1500 grit polished...

by Jeff Ussery at Total Bowling Gear Layout: 60 degrees x 5" x 40 degrees RG: 2.52" Differential: .054" M/B: .019" Surface: 1500 grit...