Specification Brand : Aexit BulletPoint1 : Country of Manufacture: CHINA; Material: Plastic, Conductive Fibers BulletPoint2 : Net Weight: 174g; Package Content: 9 Pcs x Anti Static Brush BulletPoint3 : Main Color: Black; Type: M BulletPoint4 : Brush Size: 3.5 x 1.7 x 1cm /1.4" x 0.7" x 0.4"(L * W * T); Total Size: 18 x 2.5 x 1.2cm/7" x 1.4" x 0.5"(L * W * H) BulletPoint5 : Hanger Hole Dia: 5mm/0.2" ItemName : Aexit 9 Pcs Tool Sets Plastic Handle Conductive Ground ESD Anti Static ESD Tool Sets Cleaning Brush ItemTypeKeyword : science-lab-antistatic-brushes Manufacturer : Aexit Material : Other ModelNumber : modle PartNumber : f190412ae013501 ProductDescription : Black plastic handles are able to remove charges to ground. Removes dirt on PCB or other sensitive components, and discharges the static electricity to the ground. Allow for a complete and safe cleaning of ESD sensitive components without generating any harmful static charges.