ITEM NAME:15" Laboratory Set 250mL Graduated Cylinder Flask Cleaning Tool Nylon Brush M3F8 15" Laboratory Set 250mL Graduated Cylinder Flask Cleaning Tool Nylon Brush M3F8 Product Name : Test Tube Brush; Material : Nylon, Metal Color : As Picture Shown; Brush Size : 16 x 5cm/ 6.3" x 2" (L*Max.D) Handle Size : 22 x 0.3cm/ 8.7" x 0.12" (L*D); Total Length : 38cm/ 15" Net Weight : 36g Package Content : 1 x Test Tube Brush Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.