Design Ultra-light and compact MonoFil gate opens and closes smoothly and offers a much longer lifetime Keylock system Nose of carabiner has a hole for clearance of ice, snow, and dirt Flat carabiner spine provides stability STRING quickdraw sling protector stabilizes the carabiner when clipping Style and Team Spirit Petzl(R) label Additional Details Cleaning: Lubricate the hinge to restore spring action. After lubrication, clean oil residue with a cloth. Do not use WD40 or high-pressure sprayer.