The trigger wires are made with Kevlar, thus avoiding the fate of metal cables used in most trigger wires which became frayed and broken with extensive use. The flexible stems held up well despite when being loaded over edges in a horizontal placement.
The Ultralight Master Cams proved to be a durable and tough cam, scoring second only to the DMM Dragons in terms of durability. This tooth pattern is found on all but the smallest two cams and presumably helped the cam stay in place. Additionally, Metolius used a new “shark fin tooth pattern” on the cam lobes to help the cam lobes find purchase in the rock and ideally increasing the holding power of the cam during a fall. All cam stems will move once placed but the Ultralight Master Cams had a more freely moving stem than other cams tested. But the Ultralight Master Cams weren’t the least stable cam in our testing and particularly during in-house testing we were able to observe the freely moving stem of the cam that allowed the cam lobes to stay in place while the stem moved as rope was pulled through a carabiner attached to the sling. This movement was more pronounced on the bigger cams and careful use of extended slings or quickdraws was key to keep the cam in good position. In comparable placements the Ultralight Master Cams were more likely to move than its double axle competitors. We thoroughly tested the Ultralight Master Cams in the field and during in-house testing for its stability and resistance to moving or walking after being placed and had mixed results. The above factors caused the Ultralight Master Cams to score lower than many other cams for ergonomics. The trigger bar is the narrowest trigger bar of the cams tested and proved more difficult than other cams to use. The lack of a thumb loop is a drawback for many but instead Metolius uses a thumb piece that has a lot of surface area and is surrounded by an 11 mm sling to help provide purchase when racking or placing.
The Ultralight Master Cams are sleekly built units with a slender profile that fit well in narrow cracks.
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