Measures 10" wide by 5" high by 12" deep. Has a pulley diameter of 2.25" (57.2 mm), and tensile load of 5,000 lb (22 kN) min. For Sellstrom Peakworks Confined Space Tripods. Established in 2008, PeakWorks has been passionate about providing workers peace of mind when working at heights. As a full service fall protection provider, our focus on productive solutions combines pioneering services with feature-rich products and safety. Our product portfolio includes industry-leading harnesses, belts, rescue products, retractable horizontal lifelines, and more. As active members of both the ANSI and CSA standards committees, we are committed to providing the safest and most advanced fall protection products in the industry.