Tightwad Men's Black Carbon Fiber Money Clip Made from heat tempered stainless steel and finished with sand blasting Patented aperture design makes the Tightwad extremely easy to use and unlike any other money clip design Almost completely flat and much thinner than traditional money clips and wallets The large surface area provided by the money clip provides RFID blocking security protection The stainless steel Tightwad money clip is 21 g