Here's what other sites are saying:
The CAMP Shell belay device is deceitfully simple. Forged from 6082-T6 aluminum, the Shell has thicker walls than other tube style belay devices for good durability and heat dissipation.
On Sale. Camp USA Shell Belay Device FEATURES of the Camp USA Shell Belay Device Simple, reliable belay and rappel device SPECIFICATIONS of the Camp USA Shell Belay Device Weight: 1.8 oz / 50 g Rope Diameter (Min): Double 8-9 mm Rope Diameter (Max): Single 10-11 mm ALL CLIMBING SALES ARE FINAL.
CLOSEOUTS . C.A.M.P.and#39;s Shell belay device is a simple and reliable belay and rappel device forged form 6082-T6 aluminum. Available Colors: SEE PHOTO.
- Sierra Trading Post
Even with the hundreds of belay devices available, simple, functional tube styles like the CAMP Shell Belay Device still rule for obvious reasons--they're simple and functional. The 1. 7-ounce CAMP Shell Belay Device operates smoothly on single ropes from 10-11mm and allows double-rope rappels on lines down to 8mm. No moving parts to jam, no hidden internal cams to clog with dirt.