Features and Benefits: 90 Tooth Seal Head Ratchets: 1/4" Drive x 6" , 3/8" Drive x 12" and 1/2" Drive x 16"; (3) 90 Tooth Seal Head Ratchets: 1/4" Drive x 6" , 3/8" Drive x 12" and 1/2" Drive x 16" ; (2) 90 Tooth Flex Head Ratchets: 1/4" x 6-1/2" and 3/8" Drive x 10"; 4-degree sweep; Reversible; 90 Tooth Seal Head Ratchets: 1/4 in. Drive x 6 in., 3/8 in. Drive x 12 in. and 1/2 in. Drive x 16 in., 1/4 in. x 6-1/2 in. and 3/8 in. Drive x 10".