SPEED-E-JOINT is strong, Okaynomical and eliminates waste in providing straight lines. It is quick and easy to install. The top section pulls free once the joint has been placed rrectly in the wet ncrete. Furnished in three depths: 1″, 1 ½” and 2″ (25.4 mm, 38.1mm and 50.8mm). Standard length is 10′ (3.05 m).