Petzl William Carabiner Insulation Known as a "Prusik-minding" pulley

Known as a "Prusik-minding" pulley

provides total peace of mind for long-term installations

and falling debris

Unlike basic loops that can slip off your boot at the worst possible moment

Petzl William Carabiner Insulation Known as a "Prusik-minding" pulleyWhen youre at the master anchor point, space is at a premium. The Petzl WILLIAM is the "big brother" of locking carabiners, featuring a generous pear shaped (Munter) design that easily swallows multiple ropes, slings, or hardware pieces. Despite its high capacity, its aluminium construction keeps it incredibly lightweight, so it wont weigh down your harness. What professionals love most is the fluid interior designthere are no sharp edges or snags,