Take the guesswork out of installing anchor bolts in the correct location and the proper height out of the concrete for your sill plates and hold downs. Whether you are presetting your anchor bolts before you pour or wet setting after you pour the Bolt-Rite anchor bolt holders are a smart and handy tool for the seasoned concrete contractor or the DIY'ers. Screw on cap suspends your bolt at exactly 2x sill plate height. Cap has inspection port for easy confirmation of correct bolt orientation. Cast-in lineup marks for accurate positioning of 2x4 or 2x6 plates. Threads are clean and bolts are straight after the pour.