As seen in this image  The Petzl Verso is extremely compact (it's the smallest tube style device tested in this review). It's lightweight and well crafted.
Black Diamond ATC XP
Awards  Top Pick Award    
Price $34.95 at REI
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$144.95 at REI
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$149.86 at Amazon
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$24.95 at REI
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$16.46 at Backcountry
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Overall Score Sort Icon
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69
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Pros Lightweight, easy to unlock, great for belaying two skinny ropesEmergency backup to belay, cannot load backwards, feeds slack super smooth, same belay technique as tubesGradual camming action, anti-panic lowering handle, easier for leftiesLightweight, smooth, compactGood friction control when rappelling and lowering, smooth paying out rope
Cons Softer aluminum seems less durable, not ideal with ropes thicker than 9.5mmLarge and heavy, expensive, not the best when working routes, only good for single pitchExpensive! Heavy, not quite as smooth as a GriGriWeak lock off0.2 oucnes heavier than the Verso, you must hold the weight of the climber when they weight the rope
Bottom Line Ideal for alpine environments where the ropes are slim and the ounces countOur Top Pick for Emergency Backup offers a super smooth belay and a great safety lock up mechanismHighly rated for anti-panic lowers and dynamic catchesSmooth rope handling and a simple design all packed in to a mere two ouncesLow price pairs well with the basic tube style design and reliability
Rating Categories Petzl Reverso Wild Country Revo Camp Matik Petzl Verso Black Diamond ATC XP
Catch And Bite (30%)
5
7
9
5
5
Lowering And Rappelling (30%)
9
8
7
9
9
Feeding Slack (20%)
9
10
6
9
9
Weight And Bulk (10%)
9
4
3
9
9
Auto Block (10%)
3
1
7
0
0
Specs Petzl Reverso Wild Country Revo Camp Matik Petzl Verso Black Diamond ATC XP
Style Auto-block tube Tube-style with locking backup Active assisted braking Tube style Tube style
Recommended Rope Diameter 7.5 mm - 11 mm 8.5 mm - 11 mm 8.6 mm - 10.2 mm 7.5 mm - 11 mm 7.7 mm - 11 mm
Weight (oz) 2.2 oz. 10.1 oz. 9.7 oz. 2 oz. 2.2 oz.
Double Rope Rap? Yes No No Yes Yes
Belay off anchor? Yes No Yes No No
Assisted Braking? No Yes, active Yes, active No No
Warranty 3 year 2 year 3 year 3 year 1 year
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