![Micro 100 QZST-522-SR20 Boring & Grooving Bar Holders; Inside Diameter (Inch): 5/16 ; Inside Diameter (Decimal Inch): 0.3125 ; Outside Diameter (Decimal Inch - 4 Decimals): 22.0000 ; Overall Length (Decimal Inch): 2.3840 ; Series: QZST ; Manufacturer Micro 100 QZST-522-SR20 Boring & Grooving Bar Holders; Inside Diameter (Inch): 5/16 ; Inside Diameter (Decimal Inch): 0.3125 ; Outside Diameter (Decimal Inch - 4 Decimals): 22.0000 ; Overall Length (Decimal Inch): 2.3840 ; Series: QZST ; Manufacturer](https://cdn11.bigcommerce.com/s-rerso7mgzy/images/stencil/640x640/products/637988/896316/1530706-21__87174.1716709450.jpg?c=1)
Micro 100 QZST-522-SR20 Boring & Grooving Bar Holders; Inside Diameter (Inch): 5/16 ; Inside Diameter (Decimal Inch): 0.3125 ; Outside Diameter (Decimal Inch - 4 Decimals): 22.0000 ; Overall Length (Decimal Inch): 2.3840 ; Series: QZST ; Manufacturer