Essential tools for artists: Hand tool pliers and canvas clamping tools are made of a strong, high-quality zinc alloy with galvanised surface and smooth, flat surface, which is not only beautiful, but also durable. Spring handle clamp: tarpaulin collets and tarpaulin pliers with spring return handles, the spring stiffness is moderate, the spring is removable or installable, jaw clamps, tarpaulin collets and tarpaulin pliers for tensioning tarpaulins can be individually adjusted as needed. Flexible use depending on the required strength. Wide jaw clamp: framing tools for oil painting, professional canvas collets and alloy art tools. The extra-wide canvas pliers provide you with a firm grip to tension your canvas without slipping on straps, leather or canvas; Wide jaw clamp: framing tools for oil painting, professional canvas collets and alloy art tools. The extra-wide canvas pliers provide you with a firm grip to stretch your canvas without slipping on straps, leather or canvas; Easy to use clamps: The jaws and handles of the collets and canvas clamping tools have large openings, the collet, canvas clamping assistant and the alloy canvas pliers can not only tension large canvases smoothly, but the pliers also do not damage them artwork. Canvas Collet: This canvas collet and canvas pliers for art oil painting with spring return handle is a very useful tool for those who need to do framing work. It is used to properly stretch the canvas when framing pictures.