【Auto Locking Design】: Friction groove can automatically grab the rope and tightly lock, to prevent falling and ensure the safety of users. The hole of the handle can be connected to the carabiner. During the climbing process, the locking position can be adjusted at any time according to your needs, which is very flexible and convenient. 【CE Safety Guarantee】: CE 2849 & CE 1019 Certified, identical to EN 353-2:2003,EN365:2005 standards. Let you climb more confident! 【Widely Use】: Widely worked as a assistant during rock / tree climbing, downhill, aloft working, caving, mountaineering, rigging, expansion, rescue. The best gift for arborist, external electricians, construction workers, wire repair workers! 【Specification】: Max Strength: 15kN/ 3372 lbs. Size: 3.71 x 2.85 inch. Weight: 0.54 lb. Rope Compatibility: 12~13 mm. Light weight & Easy to carry. 【High Quality】:Made of high strength aluminum magnesium alloy, high strength, lightweight, durable, and wear & corrosion resistance. S.E.PEAK CE 15kN Rope Grab,CE Certified Fall Arrestor Ascender, Flip Line Adjuster Fall Protection Belay Device for Rock Climbing,Tree Arborist,Fit for 12~13 MM Rope