SPI Rectangular Gage Block Accessory For Use With Rectangular Gage Blocks – 15-347-8

SPI Rectangular Gage Block Accessory For Use With Rectangular Gage BlocksSPI - 2.945 Inch Overall Length, 0.512 Inch Jaw Thickness, 0.5 Inch Radius, Gage Block Cylindrical JawsRadius 0.00003 Inch, Pair 0.00004 Inch Accuracy, Sold As Pair, For Use with Rect