Light alloy hand ascender with ergonomic rubber grip for rope ascent. The stainless steel cam insures a high resistance to wear and tear. Eyelet at top for clipping a carabiner. Very simple and quick manipulation. Available in models for left hand and right hand. Ideal for climbing, rescue and rope access. 4152221 Rope Diameter 5/16" - 1/2" | 8 mm - 13 mm Weight 0.52 lbs | 235 g Standards EN567,EN12841/B