- The E900 HARDWRARE SL728 28 in. Lock-End Extension Spring is a Holmes spring replacement for most one-piece garage doors. 2 x SL728 springs can handle up to a 150 lb. door while 4 x SL728 springs can handle up to 300 lbs.. SL728 springs are also a popular installment for lifting toy hauler doors.
Lock-End Extension Spring 28 in Steel with Safety Containment Rod



$34.68
Type
Bearing Plate
Brand
E900 HARDWARE
MPN
SL728-C
UPC
0856022005147
EAN
0856022005147
condition
New
Lock-End Extension Spring 28 in Steel with Safety Containment Rod