Introducing the 3 in. x 12 in. F Clamp Set by POWERTEC. These 4-pieces set features heavy-duty f style clamps intended for woodworking, welding and an assortment of general-purpose applications. Their unique design offers quick and easy clamping. In addition to a large flat clamping surface, they have an adjustable arm that moves up and down without having to pull a lever. This gives you optimal control and maneuverability. 【Versatile Design】 ✔Whether you're using them with your drill press or workbench table, these handy tools allow you to clamp practically anywhere. ✔Use them to make straight edge cuts or to hold-down and glue large DIY projects. ✔Provides you with project flexibility and endless clamping possibilities. 【Premium Construction】 ✔Designed with a lightweight, yet robust construction that can stand the wear and tear commonly associated with workshop environments. ✔They possess an ergonomic design and come with comfortable grip plastic handles. ✔The ductile cast iron arms contribute to the heavy-duty clamping capacity (600 lbs.), while the plastic jaw pads offer a non-marring hold to protect your material safely.