Starrett Snug Assembly with Full-Sized Surface Gage Post Hole, Secure Fit, Tool Compatibility - 5/16" Diameter, 3/32-1/4" Capacity, Durable Build - PT18718

The Starrett post hole has a 5/16" diameter and a 3/32-1/4" holding capacity. It can be used on our 252 Height Transfer Gage, 57 and 257A, and B Surface Gages, on 657A Magnetic Base and Swivel Post Assembly.

• Perfect For Any Job - Whether you're measuring height, depth, or width, this indicator will get the job done quickly and easily. With its precision gear-driven design and smooth jeweled movement, it's ready for any task.
• Essential For Craftsman - Indispensable for any metalworker, our dial indicators are perfect for getting the most precise measurements. With a range of 4.000", they can handle even the most challenging tasks.
• Make A Wise Choice - Our base holders are designed to withstand the toughest environments, so you can be confident that your measurements will be accurate every time.
• Base Holder - The snug assembly is designed to provide a solid foundation for your indicator or gage. It's made of durable steel and is compatible with most instruments on the market.
• The Standard for Excellence - Proudly made in the USA, Starrett combines over 140 years of American heritage and innovation with globally sourced materials to deliver exceptional quality tools and products.