What is the length of the Red Prussik?

• A. 50 inches
• B. 56 inches
• C. 60 inches
• D. 65 inches

Answer: (B)

A prussik length is chosen to balance how well the hitch bites the rope with how easy it is to handle in the field. The red prussik in this context is 56 inches because that length is long enough to form a secure bite with multiple wraps around the rescue rope, typically two to three turns, which provides reliable friction and holding power under load. At the same time, it’s short enough to remain manageable, easy to deploy with gloves, and less prone to snag on gear or space-limited anchors.

If the loop were too short, you wouldn’t get enough wraps or a strong bite, increasing the risk of slippage. If it were much longer, the prussik would be bulky, harder to manage, and more likely to catch on equipment or clutter in the rescue scenario. So the 56-inch length strikes the right balance for the standard scenarios covered in OCFA practice, making it the best choice.