Designed with versatility to solve any clamping need on a welding table. Adaptable to any standard diameter. They feature an ergonomic PIHER handle with 3D joint position. Inside is a piston system with protected double fine screw thread. Horizontal and vertical clamping with a force of up to 350 kg. Adjustable up to 360 °. At the bottom there is a mobile stop that allows the shaft to be completely hidden under the table. The pressure surface has a mounting hole of M6 for mounting accessories.