2-pack TC-10 1/2in Black On Clear Tape for Brother PT-6 8 10 12 15 20 150 170 Features a standard adhesive Designed for flat surfaces like Office paper, file folders and binders Resists water, grease and grime; use in hot and cold environments as well as outdoors Use with Brother pt-6, 8, 10, 12, 12N, 15, 20, 25, 150 and 170 Labelers