Faithfull 4 Piece Engineers Square Set

The Faithfull 4 Piece Engineers Square Set is a precision measurement tool collection for engineering, metalworking and workshop applications. It contains four hardened spring steel squares in 50 mm, 75 mm, 100 mm and 150 mm sizes, supplied in a protective wooden storage case.

The squares meet BS939 Grade B accuracy standards. Their stock and blades are precision ground for straightness and accuracy, and the spring steel is hardened and tempered. The set is intended for precision marking and checking, including layout work, checking milled surfaces and setting up machinery.