Starrett 443Z-9RL 52175

Product Highlights

• The depths of holes, slots, shoulders and projections can be measured with these fine tools
• 2" (50mm) half base permits measuring depths of holes and slots close to shoulders and between obstructions
• Combination ratchet and speeder for uniform pressure and quicker adjustment
• Rods have individual length adjustment and are 5/32" (4mm) in diameter
• Ring-type knurled lock nut for quick and sure locking