28898 Features: -Serrated plunge blade. -Ideal for cutting precise holes of any shape, such as windows and hatches in airplane and ship models and dollhouses. -Cuts wood, plywood, plastics and aluminum. Product Type: -Circular. Generic Dimensions: -Maximum cutting depth: 0.56". -Overall dimensions: 0.47" H x 3.54" W x 3.14" D, 0.2 lbs. Dimensions: Overall Length - End to End: -3.54 Inches. Overall Height - Top to Bottom: -0.47 Inches. Overall Product Weight: -0.2 Pounds.