The three-claw for head is alloy steel , which has a long service life and more stable work The circular knurled socket allows of the working without the need for a small wrench tool Wide range of applications : commonly used in riveting construction , automobiles , ships , aircraft , machinery , electrical appliances , furniture and other products , making the , more and less labor-intensive The nails are spit out smoothly , the nail road is made meticulously , and the nails are not easy to get stuck Rivet set with 4 interchangeable heads for various rivet jobs : 2.4mm ( 3 / 32 " ) , 3.2mm ( 1 / 8 " ) , 4.0mm ( 5 / 32 " ) and 4.8mm ( 3 / 16 " inch ) , which can be replaced at will according to the size of the rivet The rubber-coated handle is comfortable to hold , and the ergonomic handle design is suitable for long hours of work After use , the handle can be locked with the handle buckle , which is to use, Manufacturer: Watreketal