Tired of carrying your mail up and down the stairs? The Staircase Lock & Letter Box Jigs from Carey Tools make it easy to install a lock and letter box on your staircase. These jigs are precision machined from aluminium for a perfect fit. And they’re really easy to use – just clamp them in place and drill the holes. You’ll never have to worry about carrying your mail up and down the stairs again. With these handy jigs, you can easily install a lock and letter box on your staircase in minutes. So order yours today!