Locking mechanism allows you to adjust and secure the size of the plier jaws by pressing the spring button to quickly open the clamp and protect your fingers Features:Plier jaws are made of metal welding process, durable and wear-resisting, no worry about them being damaged or falling off during use CONVENIENCE: Wide jaws increase clamp area and strength making it easy to deal with clamps in a variety of difficult conditions such as strong, aging, rusting, freezing, etc Options available Material heavy duty hose clamp pliers are made of thick, high temperature, high hardness, anti-rust material, Manufacturer: Netbiio