Track Kinetic Obsidian Select Weight:12 lbs. The MicroTrax-S20 Solid Reactive coverstock

The MicroTrax-S20 Solid Reactive coverstock provides great traction on heavily oiled lanes

Transparent top

Finish: 500/1000/2000 Abralon

or wheel your equipment effortlessly on the sturdy wheels

U-throat upper pattern

Track Kinetic Obsidian Select Weight:12 lbs. The MicroTrax-S20 Solid Reactive coverstockTrack continues the popular Kinetic series in the Track Kinetic Obsidian. This ball features the modified Kinetic core which has a low RG, medium differential, and low mass bias. These components allow this ball to save its energy longer but use it quicker. Track has combined this core with a solid version of the DR 7 coverstock which gives length with a strong reaction at the backend. With a 500 2000 grit finish this ball is recommended for medium to