THE ALORIS DA4Q 3000 BORING BAR HOLDER IS A TOOLING COMPONENT WITH A PART NUMBER OF DA4Q 3000. IT MEASURES 4-1/2 INCHES IN HEIGHT, 4-3/8 INCHES IN WIDTH, AND 6 INCHES IN LENGTH FOR THE HOLDER ONLY, WITH AN OVERALL LENGTH OF 11-1/2 INCHES FOR THE ENTIRE PIECE. KEY SPECIFICATIONS INCLUDE A 3-INCH BORE AND A 3-1/2 INCH WEDGE. THIS ITEM COMES EQUIPPED WITH A KENNAMETAL KM63-NCM-EF FLANGE MOUNT.