uxcell 5 Pcs 4mm 5/32" Dia Brass Pencil Cup Brush for Rotary Tools Die Grinder Product Name : Pencil Brush;Mandrel Diameter : 3mm / 3/25"(0.118") Overall Size : 4 x 43mm / 0.16" x 1.7"(Max D*H);Material : Brass Wire Brush, Metal Color : Brass Tone Net Weight : 16g Package Content : 5 x Pencil Brush