KoolStone Rock Tumblers

5 KoolStone rock tumblers.

KoolStone

+Brushless motor with 40,000 hour motor life listed

+Rubber barrel with a 2.5 lb capacity

+Rotary polisher designed for hobbyists

No price recorded yet.

KoolStone

+Dual barrel design with 7 lb total capacity

+Brushless motor with noise-reducing cover

+Quiet operation from the noise-reducing cover

No price recorded yet.

KoolStone

+Large 3 lb capacity for bigger batches

+Professional-style rock tumbler kit

+Noise reduced by up to six times

No price recorded yet.

KoolStone

Black

+Large 2.5 lb capacity for bigger batches

+Includes 4 lb of grit and polish refill media

+Complete kit with media included

No price recorded yet.

KoolStone

Orange

+Starter kit designed for kids and beginners

+Noise-reducing cover for quieter running

No price recorded yet.

KoolStone Rock Tumblers at a glance

5 of the 48 Rock Tumblers we list are KoolStone (10%).

Counts and prices are this site's own listings; prices are the ones shown on the cards.

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.