Tribe One PackTach &ndash; 4 PackTachs & 4 Outdoor Aluminum Carabiners &ndash; Attachable to Backpacks Duffle Bags Tarps Nylon Shirts Pants Sweaters and More - Climbing Gear & Accessories CREATE CARABINER DRAW POINT DAMAGE FREE  PackTach allows for the creation of a carabiner draw point on any fabric, such as backpacks, duffle bags, tarps, nylon, shirts, pants, sweaters, and more without causing damage. MULTIPLE CARABINER SIZES  Can be used with a standard 2 to 3 inch "D"-shaped carabiner. CONVENIENT SIZE  PackTach dimensions: 1-5/8" x 7/8" x 11/16." Aluminum Carabiner dimension: 2.5." Total Weight: 2.5 oz. DURABLE INNOVATIVE DESIGN  Made from Acetal Resin, which has a curved shaped design with an internal geometry, allowing for an average pulling force of 50 lbs. SATISFACTION GUARANTEED - Satisfaction guaranteed or your money back.