Designed for our hardcore hardbooters, these crampons slide into tech toe claw mounts. Install and remove on the fly for utmost confidence in dicey conditions. Stack up the crampon riser blocks to keep the full depth of teeth in the snow when using heel risers.Weight: 6.67 oz/ea (189g) - 13.33 oz/pr (378g) - RegularFeatures Easy Installation: Install and remove on the fly by sliding sideways into and out of the crampon claw mounts. Made for the Steeps: Stack up the crampon riser blocks to keep the full depth of teeth in the snow when using heel risers. Storage: Includes storage bag to protect other gear in your pack. Compatability Recommended for use with Spark and Phantom Tech Toes. Also compatible with Dynafit Speed Radical, Speed Turn, and Low Tech toe pieces.