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Sierra Products, Inc.
4938 Encinita Avenue
Temple City, CA. 91780
phone call (800) 900-7695
7am. - 3:30pm. M - F  PT
Outside U.S. (626)285-0008    
FAX  (626)285-3063

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The Donkee Personal Ball Spinner has been an industry standard for over 15 years.  This quality product is proudly Made in the USA of unbreakable polypropylene and is lightweight for easy transport.  All our spinners have a 3 year limited warranty and a 1 year warranty on the motor and are the only personal ball spinners with high rpms, creating a high polish that give you a higher score!  We've also got all the products you need to refinish, condition, and polish your bowling balls right here on one easy to use website!  We pride ourselves on our excellent customer service so if you have ANY questions or concerns please contact us toll free at 1-800-900-7695 or email us at
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