- Key Features Four 6 x 2.5" Clutch-Style Bar Clamps Four 12 x 2.5" Clutch-Style Bar Clamps Four 24 x 2.5" Clutch-Style Bar Clamps Four 36 x 2.5" Clutch-Style Bar ClampsThis 16-piece GSCC Clutch-Style Bar Clamp Set from Bessey comprises Clutch-Style Bar Clamps in four popular common lengths. Each bar rail is nickel pla Bessey BTB-GSCC-16PC- Clutch clamp set, 4 each of 4 different sizes (16 pc)