Features: The main alloy steel is strong, and the surfaces is rustproof to enhances its rustproof ability. One handed operations structure is reasonable: the whole arm extension of this riveting guns is more labor saving than ordinary riveting guns. Four kinds of guide nozzles with different sizes can be replaced according to rivet specifications, and the hexagonal wrench is attached for easy replacement. When the guide nozzle is tightened, it is not easy to loosen 2.4mm (3/32), 3.2mm (1/8), 4.0mm (5/32) and 4.8mm (3/16). Alloy claws wear-resistant guide nozzle: the whole heat treatments of the guide nozzle is smooth and not stuck. Comfortable handle is slipproof, wearresistant, comfortable to hold, and nonslip hands can effectively prevent it from getting rid of. Specifications: Component:Alloy Steel Size:Approx.25x6.6cm/9.84x2.6inch Package Includes: 1Set Hand Riveter note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.