The LB Wire Guide is a “Shoe Horn” for 2? LB’s. Assists while working on your own. For PVC LB fittings and is adaptable to most metal LB’s. Fast for one person conductor installations. Installs in two positions to fit both “Ends” of the LB. The LB Wire Guide is great for PVC LB fittings and also works with most metal LBs. You can install the LB Wire Guide in two positions to fit both “Ends” of the LB.