Bi-Metal Hole Saw Arbor Mandrel 3/8″ Hex Shank with High Grade Pilot Drill bit

About this item Include:1pcs A2 arbor with pilot drill bit,1pcs Pilot drill bit,1pcs Hex wrench; Quality: very High grade Pilot drill bit, fully ground,and split tip, easy for work on metal; good performance Usage: Fit for the Bi-metal hole saws From:1-1/4” to 8-9/32” (32mm to 210mm) Hex Shank 3/8″ (9.5mm) fit for most chuck Notice: Please keep safe when operate the drilling work. it is better firstly slow speed,then higher. wear safety glasses it important for safe of eyes.