Triangular top, all steel welded, legs bent outward for stability. Length of one side 130 mm, height 200 mm.

Pressure die cast aluminium alloy, other parts are of plated brass, cork lined, ensures firm grip at all angles of opening, opens upto 90 mm, with 250 x 8 mm nickel plated mild steel rod.

Plated steel. Double scale, reading 0-12 cm x 0.1 mm and 5 x 0.01 inch, with depth gauge, in plastic pouch.

with thumb wheel for fine adjustment.