Lenox 3005656L Speed Slot Bi-Metal Hole Saw, 3-1/2 in. Dia. x 1.5 in Hex Provides proper clearance for vent

Provides proper clearance for vent from combustibles and serves as a firestop

An adapter package is included with each blade for installation onto a competitor's heavy-duty wiper arm

Extension Length: 12"

Assembled width: 22"

Lenox 3005656L Speed Slot Bi-Metal Hole Saw, 3-1/2 in. Dia. x 1.5 in Hex Provides proper clearance for ventHighlights: Diameter : 3 1 2 in. Length : 1. 5 in. Material : Bi Metal Usage : Wood and Metal Cutting Quick Change System Speed Slot features a staircase design for easy plug removal Up to 2X more life in metal cutting Enhanced tooth geometry a thin kerf design and an advanced coating contribute to the efficiency of the cutting process 2X more durable with 50% longer life than previous LENOX hole saws Increased wall thickness improves durability and