CRL 1" Steel Ball Bearing Sliding Screen Door Spring Tension Roller with Locator Pin

Features 1/8" (3 mm) Outside Diameter Locator Pin This CRL Spring Tension Roller features a 1/8" (3 mm) outside diameter by 5/16" (7.9 mm) tall locator pin which holds the roller in a fixed position. The 1/4" (6.4 mm) wide nylon wheel has a center groove roller; adjustable heat treated high tension steel spring. It is used by several patio door manufacturers. Two roller assemblies per package.