Hormann K Boom (Short) Travel Length - 2475mm locks These are for the later

These are for the later type Mk3c doors with the shorter spindles

Old Garador Part – S1703001-3-1

The brackets can be cut in both directions to accommodate the opening size and frame size

and a complete spring box assembly is purchased instead

Suits current G3 garage doors – Brass effect

Hormann K Boom (Short) Travel Length - 2475mm locks These are for the laterHormann Type K (short) Boom Travel Length 2475mm Suitable for all SupraMatic and ProMatic garage door opener heads Up and over doors up to 2500 mm high Sectional doors with track application N up to 2250 mm high Sectional doors with track application L Z H up to 2125 mm high Total length 3200 mm, travel distance 2475 mm For other length booms please see other listings.