If you've noticed an error in this article please click here to report it so we can fix it.
A fine tooth action is a feature of an 0.5in. square-drive ratchet introduced by the Parkhill spanner division of John Bedford and Sons. The ratchet has 48 teeth and is made of alloy steel chromium plated and with a nylon handle.
Made by: John Bedford and Sons Ltd., Lion Works, Mowbray Street, Sheffield, S3 8EY.