Attributes . M-52EHA 5-1/2 in Enclosed Head Ratchet, M-102 2 in, M-115 6 in Extension, M-106A Spinner Handle, M-140A Universal Joint, M-42A Flex Handle, MM-604 4 mm, MM-605 5 mm, MM-605.5 5.5 mm, MM-606 6 mm, MM-607 7 mm, MM-608 8 mm, MM-609 9 mm, MM-610 10 mm, MM-611 . Names