Convenient climbing: CroSight Hand Ascender improves ease of climbing by giving you a big handle to hold and allowing the device to hold on the rope rather than having to grip with your hand. CroSight Ascender reduces the strength needed to grip the rope so that you have more endurance left to climb. Easy to Use: The CroSight Climbing Ascender is designed with an optimum size and shape, the ascender is Very easy to store away when you reach the target height or prepare to descend. Novices will soon learn to use. Beats The Elements: Due to the design of CroSight Hand Ascender, Toothed cam with self-cleaning slot optimizes performance under any conditions (frozen or dirty ropes...). It won't hurt the rope. Solid rubber increased friction let you have a firm control even with thick gloves. Because of material's excellent property, cam can handle most situation and service for long. Widely Use: 8~13mm, Multiple holes provide many attachments for connecting with other equipment.CroSight Climbing Ascender, Black for right hand, Golden for left hand, Both CE Certified, widely used for tree climbing, Single Rope Technique Climbing (SRT climbing) and hauling/pulley/ rigging /tensioning system. After-sales Aupport: CroSight Ascender provide high quality products and life-long services for our customers, with customer common development.If you have any questions, please contact us and we will reply to you within 8 hours.