22-piece assortment for basin and ball cock supplies. Assortment fits: 2 sets each: 1/2" nut, 1/2" O.D. tube 1/2" nut, 3/8" O.D. tube 1/2" nut, 7/16" O.D. tube 1 set each: 1/2" shallow nut, 1/2" O.D. tube Ball cock supply nut, 3/8" O.D. tube Ball cock supply, under bath nut 7/16" O.D. tube Ball cock supply nut, 11/16" O.D. tube 1/2" shallow nut, 7/16" O.D. tube Set includes 1 washer and 1 friction ring.