STEELWORKS BOLTMASTER 11713 Steel Angle, 1/8 x 2 x 48" Bi-fold door surface aligner, mounts to back of lead doors to keep them tightly closed, used in openings not entered from both sides, universal design. Features 1/8 Inch X 2 Inch X 2 Inch X 48 Inch Steel Angle Hot Rolled Steel Mounts To Back Of Lead Doors To Keep Them Tightly Closed Brand Name: Steelworks Boltmaster USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.