Bradbury's Viper® and DW Viper® use proprietary Vertical Approach™ technology and high-speed rotary mechanics. They feature standard linear punch tooling which makes maintenance easy and economical. The Viper® Punch and Cut is designed to process material up to 300 feet perminute (90 mpm) and up to 10 Gauge material thickness. The DW Viper® is designed for Light Structural lines and Drywall lines running at 500 FPM (150 mpm) up to 20 gauge capacity. Retrofit packages are simplified by a compact footprint and are available with closed-loop controls.