The PILOT PACKS Clymer .22 CALIBER BUSHING PACK includes two pilots, one smaller and one larger than the standard size, with tolerances of +.0000/-.0002.
It contains bushings for various calibers, each pack having a pair of bushings slightly below and above the standard bushing size for that caliber.
The product is manufactured by Clymer, a brand known for precision tools, and is categorized under Home, suggesting it is suitable for home use by enthusiasts or professionals.