uxcell 18 Pcs 2.3mm Shank 15mm Cup Shape Brass Wire Polishing Brush Product Name : Polishing Brush;Material : Metal, Brass;Fit for : Rotary Tool Shank Dia : 2.3mm / 1/10";Shank Length : 35mm / 1.4" Brush CupDia : 15mm / 0.6";Brush Cup Length : 8mm / 0.3" Total Length : 50mm / 2";Color : Gold Tone , Silver Tone Weight : 82g;Package Content : 18 xPolishing Brush