Description: Suitable for a single rope with diameter between 8-13mm. Convenient spring design for easy operation with one hand. Two connecting holes below are for connecting rope and buckling into a pedal belt. The elliptic hole above is for buckling into a safety clasp. Suitable for climbing, rescue, aloft work, engineering, arborist, etc. Specification: Material: Aviation Aluminum-magnesium Alloy Dimensions: Approx. 8.6 x 20 cm/ 3.39 x 7.87 inch Color: Sky Blue Max strength: 4KN / 880lb Suits for: Right Hand This product has got the CE certification Package Includes: 1 x Ascender