Crescent Wiss WS4N Hand Seamer, 1/4 to 1-1/4 in Sheet, 18 ga Thick Max Sheet, Gray

1/4 in depth markings. Optimal handle span for maximum power and comfortable operating range. Non-slip cushion grips for great comfort and control. 3-1/4 in jaw width and 1-1/4 in maximum seam depth. Used to bend and flatten sheet metal.