Description: Materials: Aluminum-magnesium Alloy Dimension: Approx. 20.1 x 8cm/ 7.7 x 3.15 inches (L x W) It can be used with rope between 8mm and 13mm in diameter. Max. Strength: 4KN/ 880lbs. Easy operation and strong grip. It's professional equipment for climbing, rescue, aloft work, engineering, caving, etc. Red Color, Right Hand Type Package Includes: 1 Piece Climbing Right Hand Ascender