LT-3X Glass & Metal Linen Tester

3x Linen Tester - Large Format Glass & Metal Linen Tester The LT-3'S sturdy metal frame folds flat for storage and opens to hold the two element glass lens in proper alignment to the base. The beveled edge of the metal frame is marked with eighth-inch gradations to help gauge object size. 3X magnification Lens diameter is 2 inches / 5.08 cm Lens type is double plano-convex glass Widely used by printers for a quick check of register, also useful for examining mechanical parts, stamps, coins, bugs, and all manner of things small and smaller. The base of the frame is screen printed in white with our company name.  Please contact us about having these customized for your staff or your customers.  This is our most popular linen tester, widely used in many industries: Circuit board, metal etch, stamping and many other industrial processes benefit from the use of this handy magnifier.   All 10 day trials must be specified when the order is placed.