Everyone should be provided 2 of these when they graduate high school. They are useful for measurement and reference, a simple weight to hold something down, a

Everyone should be provided 2 of these when they graduate high school. They are useful for measurement and reference, a simple weight to hold something down, a holder for your writing instruments, a cheap toy when combined with a dowel, a bore when using a punch, and there are undoubtedly many further uses.