JAWCO INTERNAL RETHREADING TOOLS - JAW-480M
Single-Handled Metric Internal rethreader works on 20 mm dia. and all larger dia. Comes with eight metric bits in clear plastic tube for 0.75 mm, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50 and 3.00 mm pitch. Weight 0.7 lb.