16pc set of 3/16 stainless steel fittings for use on 3/16" stainless steel brake line. 10 fittings that are 3/8 x 24, 2 fittings that are 7/16 x 24, 2 fittings that are 1/2 x 20 and 2 fittings that are 9/16 x 18. All fittings are made from 304 stainless steel.