Overview Reviews Product Description 50 Cal. Cleaning Brush: 6" long with plastic handle and brass bristles. These work great for cleaning battery terminal clamps. Brand New. Govt. Issue. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × 50 cal. Cleaning Brush Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments