Foam base for protection & support

Dual wheels on Royal Flush 4X4 provide ultimate balance and stability

Coverstock: Composite Hook Solid

(2) Large 4 Wheels for Increased Mobility and Stability

will work on any medium to heavy oil lane condition for any style

Columbia Spoiler Alert Type_3 Ball Totes Foam base for protection &The Columbia 300 Spoiler Alert bowling ball uses the Spoiler core and Reflex Pearl coverstock to ease its way through the front part of the lane and then react quickly at the backend on medium oiled lanes. Color: Orange Red White All colors do vary somewhat from the picture shown Core: Spoiler Coverstock: Reflex Pearl Finish: 500 1000 Abralon Polished w Powerhouse Factory Finish Polish Reaction: Length w Strong Backend RG: 2. 52** Differential: 0.