uxcell 8 Pcs Black Plastic Handle Conductive Ground ESD Anti Static Brush Set Product Name : Anti Static Brush;Hair Length : Straight Handle:Smaller: 30mm/1.2"Small : 25mm/1.0"Medium: 23mm/1.0"Larger: 25mm/1.6"Largest: 40mm/1.6"Pen Type:Small: 18mm/0.79"Medium: 18mm/0.71"Large: 18mm/0.71" Total Size : Straight Handle:Smaller: 155 x 24 x 8.5mm/6.1" x 0.94" x 0.33"(L*W*T)Small : 140 x 38 x 8mm/5.5" x 1.5" x 0.24"(L*W*T)Medium: 140 x 47 x 8mm/5.8" x 1.9" x 0.31"(L*W*T)Larger: 170 x 62 x 8mm/6.7" x 2.4" x 0.31"(L*W*T)Largest: 170 x 59 x 10mm/6.7" x 2.3" x 0.39"(L*W*T)Pen Type:Small: 145 x 12mm/5.7" x 0.47"(L*D)Medium: 125 x 11mm/5.0" x 0.43"(L*D)Large: 150 x 18 x 9mm/5.9" x 0.71" x 0.35"(L*W*T);Material : Plastic, Conductive Fibers Color : Black Weight : 130g Package Content : 8 x Anti Static Brush