CASING UNIT HIRE Casing (caisson) are used to line pipes for either strength or to prevent the ground from collapsing. HIRE IT In some of our buckets we have fitted reemer boxes which is used to drive casing in. A J-lock Drive used in conjunction with a J-lock Core Barrel. You drill the Casing in then remove this tool. You then drill inside the Casing and then refit the J-lock Drive and screw it out … Continue reading Casings