Small holes are a big problem. BRM’s line of precision cross hole deburring brushes feature all stainless steel construction for superior brush performance. These brushes are ideal for micro burr removal, internal cleaning, rust removal and surface preparation. Each kit contains 12 brushes and kits are available for both decimal and metric hole sizes. The decimal kit includes .032, .047, .054,.079, .094, .109, .125, .142, .156, .172 and .189 sizes. The metric kit includes 1mm, 1.5mm, 2mm, 2,5mm, 3mm, 3.5mm, 4mm, 4,5mm, 5mm, 5.5mm, 6mm and 6.5mm sizes. Also included with this selection is our premium double end pin vise which provides a safe and secure means of using the brush. Double collets on both ends make this an exceptionally versatile holder. Brushes can also be run under power. Do not reverse the brush inside a hole. Each brush can be ordered in 12 piece standard packs. Larger sizes are available.