![Micro 100 QDH-5125 Boring & Grooving Bar Holders; Inside Diameter (Inch): 5/16 ; Inside Diameter (Decimal Inch): 0.3125 ; Outside Diameter (Decimal Inch - 4 Decimals): 0.4372 ; Overall Length (Decimal Inch): 2.3130 ; Head Diameter (Decimal Inch): 0.7 Micro 100 QDH-5125 Boring & Grooving Bar Holders; Inside Diameter (Inch): 5/16 ; Inside Diameter (Decimal Inch): 0.3125 ; Outside Diameter (Decimal Inch - 4 Decimals): 0.4372 ; Overall Length (Decimal Inch): 2.3130 ; Head Diameter (Decimal Inch): 0.7](https://cdn11.bigcommerce.com/s-rerso7mgzy/images/stencil/640x640/products/1024689/1127869/1530707-21__53947.1717027326.jpg?c=1)
Micro 100 QDH-5125 Boring & Grooving Bar Holders; Inside Diameter (Inch): 5/16 ; Inside Diameter (Decimal Inch): 0.3125 ; Outside Diameter (Decimal Inch - 4 Decimals): 0.4372 ; Overall Length (Decimal Inch): 2.3130 ; Head Diameter (Decimal Inch): 0.7