2RB Ring Spanners Whitworth
Manufactured from the highest quality alloy steel.
Bright nickel and chrome plated finish to BS1224: 1970, service condition No.1.
All dimensions conform to BS3555: 1988.
These ring wrenches are double ended and double offset.
Size. 7/16in x 1/2in Whitworth Bihexagon.
Overall Length. 279mm.