ALCV100 Features: -Made in the U.S.A. by Viking.-Original straight line sander from Viking.-Strength of dual action piston.-Removes material from large areas quickly.-Viking Dual Piston Straight Line Sander. Warranty: -Two year warrantyRemoves material from large areas quickly. Provides smooth operation on all surfaces - metal, putty, and fiberglass. Dual piston makes this a powerful tool. Specifications include: 2400 SPM, 4 cfm, required pressure: 90-100 PSI, supplied pad size: 2-3/4" x 17" Klip-on..-2 yr warranty on material and workmanship w/ POP.