Uxcell a15061100ux0009 100mm Diameter 5/8" Arbor Crimped Copper Wire Grinding Wheel Brush, Main material: copper, metal; Package Content: 1 x wire wheel brush Product Name: wire wheel brush; weight: 99G Main Color: Silver Tone, Gold Tone Overall size: 100 x 20mm/ 4" x 0.8" (d*h) Arbor hole diameter: 16mm/ 5/8"