7552B BN - Black Nickel LIGHT INLINE BARBLESS TREBLE 7554 BN - Black Nickel TI - Tin 2X STRONG INLINE TREBLE 7554B BN - Black Nickel 2X STRONG INLINE BARBLESS TREBLE 7552 BN - Black Nickel LIGHT INLINE TREBLE 8 4 6 10 12 14 16 2 1 16 pages 15 to 20 O’SHAUGHNESSY page 21 BARBARIAN® 9 TREBLES HYBRID