The side scissor hardware mechanism used for a Tip-Up Garage Door.
(Kindly note that the prices are for a set and not a unit)
Ball Bearing Arms are recommended for double wooden doors / very heavy double doors.
Single Tip Up Garage Door Arms use one spring per arm., Double Garage Door arms use 2 springs per arm (total 4 springs)
Here you can find the Tip Up Jam Arms Installation Manual
**Kindly note that the Springs are not included.
Tip up door springs available in regular and heavy duty.**