Ice screw Feb 25, 2025 · V-threads are most commonly used as rappel anchors on long ice climbs. grizguides. How is that possible? 2 Anchors (flukes, pickets, or ice screws as appropriate) 2 Pulleys 2 Locking Carabiners 3 Non-locking Carabiners 1 Four-foot Runner 1 Extra Prussik (in addition to the waist and foot prussiks carried for self rescue) 18. The steel tube and specific threading make it rugged and durable. Dec 9, 2023 · Blue Diamond ice screws are larger in diameter, so it’s safer to re-use holes created by other screws. Aludesign S. Questions? 844-423-7377. Attaway, PhD Abstract: Background: It is unknown how many climbers take lead falls on ice screws placed in waterfall ice. Sep 4, 2023 · About this item . Black Diamond Express Ice Screw: Ice climbers have been counting on BD screws for years. pofsimqeahajhufyeexfoycmpmesxthoxmmbiggylkglbcevuivgspmdmmlehvlvipwuizqlrmcmol