The LENOX® Holesaw Arbor Extension is made from hardened carbon steel for increased strength and durability.This LENOX® 3084712X Holesaw Arbor Extension has the following specification: Length: 300mmMin. Chuck Size: 12.7mmArbor: SNAP-BACK™ 2L; SOLID HEX 1L 2L or 3LPTDLEN3084712X
