This is a nice reamer. This is a reamer is 27/32 .8437. This is Straight 8 Flute. Stock #0107. This has some markings L&I HS #531 CH H-4. This reamer is 9 1/2” long. This reamer is adjustable. I am selling out the contents of a machine shop so be sure and check out my other listings for other Machine Shop type items. I am listing all the Reamers as used even though a lot of them look new!!!! I am offering FREE SHIPPING to the lower 48 states. This is being sold AS IS