Magnetic base

We supply some accessory parts for rectangular steel tubes beams. Customer need to buy tubes from steel supplies. Lifting Ring - Kits for 3” x 3” tube includes: 1 Main Lifting Ring P/N87121 4 Lifting Hanger P/N87141 Kits for 4” x 4” tube includes: 1 Main Lifting Ring P/N87122 4 Lifting Hanger P/N87142 Kits for 4” x 6” tube includes: 1 Main Lifting Ring P/N87123 4 Lifting Hanger P/N87143 Spring Ring SP-220 Spring Ring SP-440 Spring Ring SP-660 Spring Ring - SP-220 Spring Hanger Part Number - 87161 Rated Lifting Capacity– 220 lbs Color of the Spring - Yellow SP-440 Spring Hanger Part Number - 87162 Rated Lifting Capacity– 440 lbs Color of the Spring - Blue SP-660 Spring Hanger Part Number - 87163 Rated Lifting Capacity– 660 lbs Color of the Spring - Green