Double-headed “toothbrush-style” brush has a black plastic handle with hand grips and a different fill material on each side. Plastic Handle Double-Headed Brushes.
Black plastic handle with 2 brush faces on a triangular head, specifically designed for ample knuckle clearance. Overall brush is 7-1/4" long and 2-1/8" wide at the head. Each brush face is 1-3/8" x 5/16".