3 bundles of DEL Pipe Cleaners - Hard Bristle. There are 45 in each bundle, giving you a total of 135. Each pipe cleaner measures approximately 6 inches long, making cleaning even easier. DEL is the industry leader and supplier to the whole industry, fulfilling all your cleaning & 420 needs. The size is ideal for cleaning and repairing the sockets of old antique tube radios, televisions (tvs), ham radios / receivers, specifically from 1918-1965 such as: Zenith, RCA, Philco, Admiral, Sears, Hall Crafters, Firestone, Brewster, Crossly, and many more! We serve the entire community of old tv and radio repair guys and collectors who are faced with not finding pipe cleaners at the local convenience store. Our pipe cleaners are also ideal for pipe smokers and 420'ers!