E900 Hardware SL728 Lock-End (0.177-in #7 Wire) Black Steel Garage Door Extension Spring White Cabinets and wiring

and wiring

Adapts from handheld to stationary

25 Depth with Door Closed (Inches) 28

Wrench ready hex shanks deliver additional leverage

E900 Hardware SL728 Lock-End (0.177-in #7 Wire) Black Steel Garage Door Extension Spring White Cabinets and wiring2 x SL728 springs support 90 pound to 150 pound garage doors 4 x SL728 springs support 150 pound to 300 pound garage doors Length over coils: 28 inches Outside diameter: 1 5 16 inches Wire gauge: (0. 177) #7 Initial tension: 110 120 Maximum allowable stretch: 18. 5 inches Manufacturer warranty: 1 year Features Package Quantity 1 Package Contents 1 one piece lock end extension spring Color Finish Family Black Length (Inches) 28 Material Steel