Wellsay 21073 3/8" Tube, .004" Steel Wire Fill, 1" Length, the USA

FLEXIBLE SINGLE : For brushing smooth or threaded blind holes, small diameter drill holes, and confined spaces USEFUL FOR PREPPING: Remove burrs, chips, paint, coatings, and other build-ups from bores or passages AVAILABLE: Comes in different sizes, fill materials, and options TENSILE STRENGTH: Steel fill is for working carbon steel surfaces THE USA: Diameter 3/8 inches, wire diameter .004 inches, diameter 1/8 inches, length 2-1/2 inches, 2000 RPM