Frost Works nuts use a time-tested design that sets these apart from other nuts. Tom Frost, along with Yvon Chouinard, designed and engineered the first artificial chocks manufactured in North America. In the early 1970s, they led climbers away from hammering pitons and toward the clean climbing era. Decades later, Frost re-introduced the straight-sided, tapered design with the Sentinel Nut. They are easier to remove than any of the curved or offset nuts we tested. The nearly strait-sided taper also makes determining the quality of the placement easier, an especially nice feature for beginners. These come in a longer cable version that is designed to save the use of a sling or a quick draw.
They excel in smoother rock types and have a harder time in heavily featured rock. We like the size range they offer and we used both sides of the nut more than with almost all other nuts we tested. They are a great nut for those getting into traditional climbing because they are inexpensive, easy to clean and easy for judging the quality of a placement. They don't fit as broad a range of rock as many of the nuts we tested but are a durable nut that won't break the bank.