Product information "Automaxx® Bar Clamp 400 mm" On top of durability and auto-adjust convenience of Automaxx® clamping, this 400 mm Auto-Adjust Bar Clamp provides you more clamping capacity. Just like other Kreg Clamps, these bar clamps adjust automatically when you change material sizes. Just slide the clamp jaws against your workpiece, and then squeeze the handles. Automaxx Technology does the rest, closing the clamp with predictable, dependable clamping pressure every time. That clamping pressure is easy to regulate, as well, thanks to a simple thumbscrew that dials in the pressure you need, from gentle to highly powerful clamping. Benefits and features: Extremely durable all-metal construction Clamping pressure easily adjustable via knurled screw Comfortable padded handles for optimum grip Automatic adjustment to the material thickness Even distribution of contact pressure due to extra large clamping jaws Technical data: Clamping width: 400 mm Material thickness: up to 38 mm Scope of delivery: 1x Automaxx one-hand clamp 2 x Protective cap