KYUSHUKOGU 32-42mm FINE BORING HEAD with M16 x P2 THREADED ADAPTER #ABH-SB30
Made in Japan by Kyushukogu Tecnara. This is an Adjustable Fine Boring Head w/ Threaded Adapter Shank. Bore Diameter Range: 32mm to 42mm (1.26" to 1.654").
Threaded Shank: M16 x P2.0. Comes exactly as shown in pictures.