Hands-on Gear Review
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Pros: Narrow head, durable.
Cons: A little stiff, short sling.
Best Uses: Aid climbing, big wall climbing, trad climbing.
Manufacturer: Metolius Climbing
The Metolius Master Cam is not only one the best small camming devices for the money, it is one of the best smaller s.l.c.d.'s (spring loaded camming devices) at any price. It wins our Best Buy award because it scores almost as high as the Black Diamond Camalot X4 but is $10 less expensive. That is not much for one cam, but it adds up to more than $200 over an entire set. It also may be more durable than the X4, adding to its long term value. It was the first climbing cam to seriously challenge the CCH Alien for the title of "best cam for shallow and awkward placements." It has a narrow head, which makes it easy to get in pin scars, and it comes with all the other benefits of a single stem unit.
While the Black Diamond Camalot C3 has an even more narrow head, it also is not as stable or as good in awkward placements. It is flexible, but not quite as flexible as the Wild County Zero. So overall, it does a lot of things well without having any big downsides, which makes it an overall solid cam. Best of all, it is affordable and relatively easy to find (not always the case with Aliens).
View our complete Camming Device Review to see how this climbing cam compared to others. Also, see our Camming Device Buying Advice for what to look for when choosing cams.
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OutdoorGearLab Editors' Hands-on Review
Metolius Master Cams have a very narrow head width. In some sizes they are even narrower than Aliens. This means they are more bomber in really shallow placements. Also, the metal in Cams is harder than than that in Aliens. This means that the Metolius cams will likely be more durable. Part of what makes the Aliens stick so well in little placements is the soft metal, so there is a pro and a con there. The Master Cam stem is flexible but more rigid than other single stem cams like the Wild Country Zero or Alien. This means the cam is a little more stable in the hand and easier to retract, especially over time when the cams get more sticky. The sling is very small and thin. This means that on a big wall rack with 3-4 sets of cams, you have a lot less bulk than with a Black Diamond Camalot C3 or CCH Alien sets.
Metolius uses a unique "Range Finder" color coded system to help you know if the cam is bomber or not. If the green dots are touching the rock, the cam is bomber. If the yellow or red dots are touching, it's not. This is very useful for beginning leaders. I didn't use it much but it is a good reminder about optimal cam placement.
Most of my likes have their own drawbacks. For example, the more rigid stem on this device means it is more likely to walk when the climbing rope moves and it does not bend edges as well as the Aliens or Zeros. More importantly, the stem width a few inches below the cams is a little wide (there is a slightly bulky piece of aluminum there). In certain placements, this keeps the cam from being placed as deeply as you could with an Alien.
The shorter sling on the unit is great for racking, but it means that the cam will walk more and therefore you are more likely to need a quickdraw than with units with longer slings and more flexible stems. I would prefer it if the sling were another inch or two longer.
Not sure if this is a like or dislike
The cam "wires" are made of Kevlar. Metolius says these are much stronger than typical wires – time will tell. Anecdotal reports from El Cap are that there are more than a few of these getting fixed with broken Kevlar wires, but we have not seen them.
The Master Cam does well in pin scars and flared placements. The Metolius Offset Master Cam does event better. We recommend owning both. If you climb in Yosemite a lot, we would have two sets of offset to one set of regular. For areas with sandstone, one offset set is plenty.
Right now the Camelot X4r does not have an offset option, which makes the Master Cam and Offset Master Cam combo the most convenient. It's a bit of a nuisance to mix the non-offset X4 fours with the Offset Master Cam.
The cam durability has been great. One area that has not held up as well on some cams is the plastic coating on the cable clip and loop. This is mainly just an issue if you aid climb. After a lot of bounce testing, we find this plastic starts to wear away, exposing the metal cable. This is not only a comfort concern (it is uncomfortable on your fingers when pulling the trigger), it also means the runner attached to the cable might be more likely to break in a fall. Again, this is only an issue if you aid climb a lot.
Metolius Ultralight Curve Nut, $15+.
Metolius Offset Master Cam, $60+.
Metolius Ultralight Powercam, $60+.
Metolius Super Cam, $70+.
— Chris McNamara
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OutdoorGearLab Member Reviews
Most recent review: April 18, 2014
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