All Build Your Own (BYO) fittings are specially designed to work solely in conjunction with each other and are not compatible with any other product XL models 04-up use 10 x 1.25 and 12 x 1.50 banjo bolts, washer and fittings. All Big Twin models (except Dresser models 08-up and XL pre-04) use 3/8 in. and 7/16 in. banjo bolts, washers and fittings. Washers and fittings listed as 3/8 in./10mm can be used in either application. Banjos are polished and chrome plated with polished stainless steel fittings. BANJO BRAKE BYO 90 12MM