Feature●Set Includes: Shaft x 1, Cutting Whetstone x 5●Cutting Whetstone Diameter: 0.9 inches (22 mm), Hole Diameter: 0.07 inches (1.80 mm)●Shaft Diameter: 0.09 inch (2.35 mm)●Maximum Rotational Speed: Less than 20,000 rpm●Compatible tools: Electric mini router, flexible shaft, high-speed rotation●Uses: For precision processing of porcelain tiles, glass, bottles, ceramics, resin pipes, etc●Specifications: For stone, glass net resin includedDescription
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