These lightweight Brembo banjo bolts are for single line applications using M10x1.0 threads. Most Brembo masters and calipers utilize the M10x1.0 x 20mm thread sizes. Brembo lightweight banjo's are lighter than their standard single line banjo's. Banjo bolts are 10mm in diameter with a 1.0mm thread pitch and 20mm in length. ALL banjo bolts include copper sealing washers. Please see the detailed description for more information.