Upgraded Climbing Chest Ascender,Ce Certified 100Kgs Strong Rappelling Gear, 4Kn S.E.PEAK Upgraded Climbing Chest Ascender Strong Rappelling Gear Equipment W/Sharp Stainless Teeth for Rock Climbing, Tree Arborist, Rescue Caving, Mountaineering, 8~13MM Rope Upgraded Cam - The cam is made of 630 stainless steel and nickel-plated to improve oxidation resistance, wear resistance, hardness and corrosion resistance of the SEPEAK chest ascender. The bite part has also been improved, with sharp teeth that can grip the rope tightly and self-cleaning slots, even when the rope is frozen or dirty, for excellent ascent. Wide Holes: Multiple holes provide many attachments for connections to other equipment, such as carabiners and webbing, as well as shoulder straps and belts for full use by the operator. Widely Use: Rope Compatibility: 8~13 mm. Max load:220 lb(100 kg). Size: 4.1 in * 2.9 in. Weight:0.33 lb. Widely used as a assistant during rock / tree climbing, arborist, aloft working, caving, mountaineering, tensioning, rigging, hauling or pulley system. Simple Operation: The chest ascender moves freely and smoothly on the rope, and the rope is clamped with a toothed cam when pulled down. Can be used with S.E.PEAK hand ascender and foot ascender for rope ascent. Safety Guarantee: Comply with CE EN 567:2013 certification, aluminum alloy body, precision stainless steel nickel plated cam let you climb more confident!