[Drive: 0.25 inch (6.3 mm) (1 & 4 inch)]
[Drive: 3 & 8 inch (9.5 mm) BA34-H]
[Drive: 3 & 8 inch (9.5 mm) BA32-H]
[Drive: 1 & 2 inch (12.7 mm)]
9.5 sq handle allows 12.7 sq socket to be used. Adaptor that changes the insertion angle from 9.5 sq. to 12.7 sq. Reduces rattling and provides a stable fit. The 9.5 sq drive handle allows 12.7 sq sockets to be used.