Bach, Conn, King, Plastic Valve Guide Set of 3.  
See my ID# 274029175978 for my set of 4.  For this guide in metal, Item ID # 273781818236, and for pre 1985 screw in valve guides, see my item ID# 273105487071.
Fits:
625SP King Baritone
B1104S King Baritone
B1104 King Baritone
12I         Conn Baritone
15I         Conn Baritone
14I         Conn Baritone
B1103SP Bach Euphonium
B1103 Bach Euphonium
628         King Euphonium
628SP King Euphonium
B1114 Bach Baritone
623         King Euphonium
1140M King Marching Tuba
1140MW King Marching Tuba
627 King Baritone
625 King Baritone
King Sousaphone after 1985.