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The VALUE COLLECTION 516199 is an 18-piece wool felt bob set designed for polishing, buffing, and surface finishing applications. The set includes a 1/4 inch shank diameter, making it compatible with standard rotary tools, die grinders, and flex-shaft machines. All bobs are medium density felt wool construction, providing consistent material removal and polishing performance across a range of surfaces. The set covers five bob shapes, giving technicians and machinists the right profile for most finishing tasks without switching tool sets. This kit suits metalworking, tool and die, maintenance, and fabrication environments.
This set is used in shop environments where detailed surface finishing, deburring, or compound polishing is required. The five included shapes handle flat faces, recessed cavities, contoured edges, and tapered surfaces. Typical users include machinists, maintenance technicians, jewelers, and fabricators working with metal, wood, or hard plastics. The 1/4 inch shank fits the collet or chuck of most handheld rotary tools and benchtop grinder accessories commonly found in trade and production shops.
Designed for use with rotary tools, die grinders, and flex-shaft machines accepting a 1/4 inch shank collet or chuck.
Install the bob shank fully into the collet or chuck of the rotary tool before tightening to ensure secure seating. Always power down and disconnect the tool from its power source before changing bobs. Inspect each bob for wear or unraveling before use and replace any damaged piece to avoid surface damage or loss of control. Use appropriate eye protection and follow shop safety standards when operating high-speed rotary equipment.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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