7/16"-27 UNS X 1-1/2" OD HSS Round Adjustable Die Quantity:1 Radiused corners prevent damage to

Radiused corners prevent damage to oxygen sensors by applying force to the flat sides of the sensor's hex

Part Number KFDHEX1/2

Part Number DULSA9

Part Number GLBCOX65/16

and 1/2 inch drive ratchets

7/16"-27 UNS X 1-1/2" OD HSS Round Adjustable Die Quantity:1 Radiused corners prevent damage toProduct Description HSS Round Dies are for use in making new threads or re threading existing threads. They are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round dies are chamfered on both faces, one side has a 2 to 3 thread chamfer for threading and the other side has a 1 to 1 1 2 thread chamfer for threading close to a shoulder. Adjustments are made by a fine pitch screw which