Martin Yale 970A Tabletop Forms Burster, Up to 15,000 forms per hour, Burst up to 5-part carbonless, 3-part carbon interleaved, continuous feed documents/forms; Slits and bursts single-ply forms; Adjustable margin slitters are self-sharpening high-carbon,steel and adjusts from 1/2" to 3/4" trim for a single ply document; Chemical resistant burster rollers; Handles form sizes 5 1/2" to 17" wide, and 3" to 12" long; Forms are processed at speeds up to 6,100 8 1/2" forms per hour or 15,000 3 1/2" checks per hour.