Bentolin Universal Jeep Wrangler Hard Top Quick Removal Fastener Thumb Screw with Nut Kit for 2007-2017 Jeep Wrangler CJ YJ TJ JK Sport Sahara Rubicon Freedom (Black) Fitment: 2007 - 2018 JEEP Sport Sahara Rubicon Freedom JK & JK Unlimited Thumb screws are made of durable nylon head with 1 inch long steel stud. Improve interior appearance with heavy duty Hurricane styled thumb screws No loose parts. Fasteners store in the body holes when top is off. Washer is galvonized steel with RUBBER BONDED BACKING. RUBBER keeps washer from falling off stud and prorects paint. Package includes: Hard Top Quick Removal Change Kit Set of 6 Tee Knobs