This hole punch unit requires a red adapter base and an arbor press, both sold separately. This tool fits the red adapter base that comes with the 4-in-1 Standard Radii Corner Rounder.

Xpert Tools 3/8" Corner Hole Punch with 3" Inset offers greater reach than the regular Xpert Tools Hole Punches. It offers adjustable 1/4", 1/2", 3/4", 1", 1-1/4", and 1-1/2" insets guides for corner holes. Additionally, it has built in guides for a 3" corner inset. The rod that pokes out the side has an adjustable stop on it, allowing you to punch edge holes at a consistent distance without needing to measure each time.

This hole punch is built to last. It can handle substrates up to 0.080" think aluminum, 3mm aluminum composite panel, Formica, and more.