8540 8650 VANADIUM® ROUND TREBLE X-STRONG ROUND TREBLE BK - Black BN - Black Nickel NI - Nickel TR - Tin Red BK - Black BN - Black Nickel BZ - Bronze PS - Permasteel® TR - Tin Red X-STRONG ROUND INLINE™ TREBLE BN - Black Nickel TR - Tin Red 8580 5580 pages 15 to 20 O’SHAUGHNESSY page 21 BARBARIAN® 11 TREBLES ROUND