Metal mountain climbing, rescue, and safety equipment, namely, support frames; tripods; support tripods, karabiners; pulleys; swivels; hooks; snap-hooks; scaffold hooks; fall arrestor stop-and-go devices; rope grabs such as manual and automatic rope grabs; quicklinks; rope dogs; descenders, namely, controlled rate descenders, figure "8" descenders, and auto-stop descenders; belay plates; shunts; rope ascenders; delta mallions; snotter links; rope vise tensioners; and edge rollers