Sunbust aluminum oxide (corundum) 4-ply brush with spindle, diameter 22 mm, grit 400

sunburst 4-ply brushes, 22 mm in diameter with a 2.35 mm shank, are ideal for precision finishing, smoothing and polishing on precious and non-precious metals, resins, glass and stones. their multi-layer construction increases contact area and delivers consistent, compound-free polishing. they operate cool, protect delicate surfaces and are available in multiple color-coded grits. recommended speed up to 20,000 rpm.