Milwaukee's M12 line is the largest and most diverse 12-volt lithium-ion platform available. It includes everything from a palm nailer and plumb laser to a fork meter and PVC shear, not to mention the subcompact drill/driver I tested last year ("12-Volt Drill/Drivers," 6/11). Now there's an M12 jigsaw, too. It's sold as a bare tool for those who have already invested in the platform, or as a kit with a compact battery and a charger. Since it's the first subcompact model on the market, I wondered if it would have enough power, speed, and runtime to replace my battle-tested Bosch corded jigsaw. I spent several hours with the kit to see how it stacks up.

Weight: 4.3 pounds Speed: 0–2,800 SPM Stroke length: 3/4 inch Price: $150 for kit (2445-21); $120 for bare tool (2445-20) Kit includes: Saw, compact battery, 30-minute charger, anti-splintering insert, nonmarring shoe cover, wood-cutting blade, contractor bag Warranty: 5 years for tool and charger, 2 years for battery

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