The 196-ESD two star straight ESD safe (10 - 10 ohmssq) soft 5.75 cleaning brush has one row of soft bristles. The brush head is 1.5 long and .13 wide.Specs amp; FeaturesCleaning, ESD Safe, Application: This soft cleaning brush is used for gentle cleaning of a wide area., Quality: , Surface Resistivity : 10-10 ohmssq, Shape: Straight, Material: Plastic handle , OAL: 5.75 (143.75mm), Body Width: 0.13 (3.25mm), Tip Width: 1.5 (37.5mm), Tip Height: .13 (3.25mm)