CMI ROPEJACK spike ascender 000 mm radius of the

000 mm radius of the blade)

Lightweight aluminum construction

and features a nickel plated snap hook and dee for versatile saddle attachment

Fanno saws up to 25"

CMI ROPEJACK spike ascender 000 mm radius of theA Mechanical Advantage tool for pre tensioning static lines, light lifting and cabling. Small and light enough to carry aloft by a climber for Mechanical Advantage within the crown. Mechanical Advantage is approximately 5: 1. No pulleys, no extra rope, minimum weight, minimum friction, quick, easy on off, works well 'topside', too. Designed to be used by only one individual using one hand only, the length of the handle on the Rope Jack limits