Back to the Product Catalog Pulleys & Zip Brake Block Choose a Different Catalog Section... Building Materials Construction/Specialty Tools Specialty Equipment Rope and Webbing Safety Equipment Climbing Gear Lighting Pulleys and Zip Brake Block Signs, Safety, and Element Pre-Built/Custom Items Rescue/First Aid Games and Initiatives Publications Toys for Boys and Girls ----------------------------------------------------- Extreme Series Hardware Teams Kit   RSA Mini-Pulley(Spin Static) Low Cost: $39.50   Description Used where the large 4" RSA doesn't fit such as some gym courses, etc. Half the size of our popular stainless steel RSA pulley. Engineered to work similar to its big brother. Aluminum side plates, alum sheave. Note: Sheave does not turn, this is a shear reduction device. Additional Information Tensile Strength: 5,000 lbs.