Helix Ice Screw Short - 120mm Size:Short Nylon sheave and aluminum side

Nylon sheave and aluminum side plates for excellent strength to weight ratio

Can be used alone or with a 3 season self-inflatable mat for winter use

"As dexterous as your hands

Dual entrance and dual vestibule

Helix Ice Screw Short - 120mm Size:Short Nylon sheave and aluminum sideDescription Ice Screws can be hard to trust at the best of times, so you may as well place your trust in a screw with the greatest holding power. Grivel ice screws use reverse thread where the angle of the thread faces away from the direction of pull. Although this seams counterintuitive at first, it has been shown both by independent testing and Grivel to spread more load onto a greater surface area of ice and therefore giving it greater holding