Pyramid company manufactures strings for musical instruments : strings for violin , strings for cello , strings for viola , strings for double bass , strings for guitar , strings for harp , violin rosin , rosin for Viola . Elcoda is an authorized official Pyramid dealer and exporter. All Pyramid products are availabl at very attractive prices . You can buy any strings Pyramid, presented on our site. If you have not found the desired strings online , you can order any strings presented on the official website Pyramid.