• Professionals choice for fast and efficient circle-hole cuts; fits any power drill with 3/8" chuck
• Cuts plywood, laminates, composite & particle board, rubber, plastic and acrylic
• Size-adjusts from 1"-diameter circle to 5"; dual blades provide increased balance, accuracy
• Heat-treated high-carbon steel construction for long-life sharpness and durability
• Includes interchangeable 1/4" spiral pilot bit and non-drilling pivot
• Slide bar has both SAE & Metric markings for quick diameter adjustments

One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.