Factory-Reconditioned Milwaukee 2471-81 12-Volt Cordless M12 Lithium-Ion Copper Tubing Cutter Kit Reconditioned Milwaukee Products have a One-year warranty through the Milwaukee factory or an authorized service center 12V Lithium-Ion battery for longer run-time Automatic adjustment from 3/8-inch to 1-inch tubing Auto locking mechanism Water resistant metal cutter head