Aluminum and zinc alloy body with heavy dutyblade that is fully retractablespring-loaded blade release with a pushbuttonAdaptive design for a comfortable gripincludes storage holster, belt clip, and steel bladeSilverline Retractable Contoured Trimming Knife. 7″ (180mm). Heavy durable, 3-position blade adjustable, aluminum and zinc alloy body. spring-loaded blade release using a pushbutton. Adaptive design for a comfortable grip. includes a plastic storage holster, belt clip, and steel blade.