BAR BREAKING APPARATUS - BREAKING BARS SPARE (0206) To demonstrating the enormous forces which can be exerted during thermal expansion or contraction and are capable of breaking even the CI bars. Comprising a heavy cast metal frame with U-shaped slotted end pillar to carry a stout iron bar. The iron bar is threaded at one end for a large tensioning knob and has holes at the other end to accommodate the cast iron breaking bars. Supplied complete with ten breaking bars Qty :