SOFT BRISTLE WHEEL BRUSH 2" DIAMETER - SOFT WHITE BRISTLE - MADE IN GERMANY - An unmounted 2" bristle wheel for cleaning and polishing Jewelry. The soft natural bristles will reach and get into crevices and tight areas…works great for finishing delicate pieces. These bristle brushes can be used with various polishing compounds for final preparation to give high luster polish. Metal Application: Precious metals…Gold, Silver, Bronze, Brass, and other soft metals. Wheels come with a nylon center hub with a 3/16" hole which allows for easy threading when mounting on tapered spindles and ensures secure retention on the tapered threads. Recommended Maximum Speed 3,450 RPM. SPECIFICATIONS: JETS # 1116-01731 · Wheel Diameter: 2" - 50mm · Material: Natural bristle · Trim: 9/16" - 14.2 mm · Grade: Soft White · Hub Diameter: 7/8" - 22.2mm · Center Hole: 3/16" - Nylon Insert · Made in Germany Sale is for 1 Wheel SHIPPING: Via USPS FIRST CLASS MAIL NOTE: Visit JETSINC. ebay Store Listings, where you can see various Grades and Sizes of Bristle Brushes, Spindles, Arbors, Miniature Mandrels and Holders along with more Jewelers Equipment Tools and Supplies. JETS Inc. E1 718 CKP M