The BeA W type corrugated fastener tool drives 3/8" to 5/8" leg 1" crown BeA type W corrugated fasteners. Comes with one year warranty. Features a compact and well balanced design. Corrugated fastener offers twice the strength of regular fasteners. Virtually eliminates gluing, milling, clamping, screwing, and other time consuming costly operations. This BeA air powered corrugated tool is excellent for butt and corner joints.