... /7075 aluminum alloy or carbon ,Anti-shock system and anti-slide accessories to make sure our trekking pole durable and safty ... , the specification of our products are as follows: Main specificationsOne-section, two-section, three-section, four-sectionGrip:EVA , rubber ,cork ,plastic ,woodStrap:Adjustable strap ... together with your company for mutual success. Alumium Alloy 3-Section Trekking Pole