Bosch Style Chisels For Bosch: GBH7/45, UBH6/35, UBH12/50, USH6, 11202, 11203, 11204, 11206, 11208, 11209. AEG (Atlas Copco): PHD26, PH38, PHD38, PH240D, PH350D. Black & Decker: HD2032, HD2038, P8032, P8038. 19mm hex shank with single flat and round tang.