Product Features

• The depths of holes, slots, shoulders and projections can be measured with these fine tools• Non-rotating blade, blade does not turn, but moves perpendicularly only• 4 in (100 mm) base• 0.045 in thick x 1/8 in wide (1.2 x 3.2 mm) blade• Combination ratchet and speeder for uniform pressure and quicker adjustment• Ring-type knurled lock nut for quick and sure locking