The Metric Screw Checker is a precision threaded tool for complete instant
identification of both coarse and fine thread metric screws. This quality tool
made of heavy-gauge steel is satin-chrome plated, expertly machined & American
made! All do-it-yourselfers, handymen, mechanics and maintenance people have
too often experienced the frustration and loss of valuable time and money by
mistakenly identifying a screw. With this easy to use, pocket sized tool you
can kiss those problems goodbye! No more headaches, cursing, and multiple
trips to the hardware store! Unlike their plastic counter parts, these screw
checkers, made of heavy gauge steel, will last for a very long time without
the worry of wearing out the threads after a few uses.