The New Atra Ace Manual Feed models WO-3250 and AO-5575 incorporates the Worlds first manual feed machines with "Overload Protection" Technology. This new feature is a breakthrough in the Manual drill market, formally only found on the high end Nitto Kohki Automatic drills. NITTO KOHKI\'s Automatic Feed Atra Ace range are designed to boost productivity in the Steel Fabrication Industry, with high performance and premium cost control. This product category also features Australian made High Speed Steel Broach / Annular Cutters combining superior technology in Geometry and Heat Treatment to provide a durable cost efficient product suitable for all grades of Mild Steel.