This JIS Plug and Cap kit includes the most popular sizes of JIS. You can either sell the entire kit, a few fittings at a time, or use them in your shop or retail environment as a Fitting Identification tool. Covers:04 (G 1?4-19)06 (G 3?8-19)08 (G 1?2-14)12 (G 3?4-14)16 (G 1-11)20 (G 1-1?4-11)Plugs:9221-04 (x2)9221-06 (x2)9221-08 (x2)9221-12 (x2)9221-16 (x2)9221-20 (x2)Caps:9222-04 (x2)9222-06 (x2)9222-08 (x2)9222-12 (x2)9222-16 (x2)9222-20 (x2)