1" Steel Screen Door Tension Spring With Roller - 2 Pack

Features Used By a Variety of Sliding Patio Door Manufacturers 2 in. V-Shaped Tension Spring 1 in. Diameter Concave Roller Heat Treated Tension Spring and Ball Bearing Roller 2-Pack Easy to Install No Adjusting Needed This is a tension spring roller assembly with a V-shaped spring design is used by a variety of patio door manufacturers. The roller is a 1 in. steel ball bearing roller with a heat treated steel tension spring that is V-shaped. The 2 in. long V-shaped flat spring inserts into the screen frame giving tension required as the door slides back and forth.