Balance Spring

Micrometer Screw Gauge • Strong rugged metal construction. • Economical, suitable for all uses, teaching, demonstration, labs, machine shops. • Measuring screw handle, Satin finish with friction knurling for easy rotation. • With locking mechanism to hold measurements. • 25 x 1 mm, reads to 0.01 mm. • Supplied with hex wrench for zero adjustment and plastic case for storage.

Weights of brass, Set of five, with hooks on both sides.

Vernier Calipers Precision • Steel cadmium plated, improved pattern, double scale metric scale graduated to 150 mm. • Inches scale graduated to 6 inches provided with thumb movement for fine adjustment. • Individually packed in velvet lined box.

Screw Gauge Micrometers • Stainless Steel screw (rod) accurately machined. • Brass body, dull nickel plated finish. • 25 mm x 1 mm pitch. • This item is sold individually.