Starrett 440, 445 Series Digital Micrometer Depth Gages

• The depths of holes, slots, shoulders and projections can be measured to .001″ or 0.01mm with these fine tools
• 440 Gages furnished with a 2-1/2″ (63.5mm) base and 1/8″ (3.2mm) diameter measuring rods
• 445 Gages furnished with choices of 3″ (75mm), 4″ (100mm), and 6″ (150mm) bases and have 5/32″ (4mm) diameter measuring rods
• Combination ratchet and speeder for uniform pressure and quicker adjustment
• Ring-type lock nut for quick and sure locking

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