Garage Door Torsion Spring, 20 in L, 150 lb

This is a Garage Door Torsion Spring, 20 inches in length, with a 150 lb load capacity. The 0.218" X 1-3/4" X 20" dimensions specify its physical size and wire diameter. It is used to counterbalance the weight of a garage door, facilitating its opening and closing.

Specifications

Color	Blue
Dimensions	0.218" X 1-3/4" X 20"
Length	20 in
Load	150 lb

About springs

Garage Door Torsion Spring, 20 in L, 150 lb is listed under Springs — compression, extension, torsion, die and constant-force springs. Springs are mechanical devices designed to store and release elastic energy, typically in response to a compressive, tensile, or torsional force. The primary types include compression springs, which resist compressive loads along their axis; extension springs, which resist tensile loads and often feature hooks or loops at their ends; torsion springs, which apply torque or store rotational energy;

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