Cmi 434352 Cmi Ultrascenders Large Red For rugged use and exceptional strength, the CMI Ultrascenders are the obvious choice. These are the strongest ascenders on the market. The large model features a molded handgrip for extra comfort, while both share simple one-handed operation on and off the rope. Combining extruded and machined bodies with stainless steel parts produces a bomber ascender for any usage. Sold in pairs. Huge selection to choose from. Using only the highest quality materials. Satisfaction ensured. Providing you with great selection and quality. Color: Red.