Knifeblade Pitons Alpine Climbing We have determined that the

We have determined that the most effective activation for a standard screamer to be >2kN(550lbf

and then attach to a free-floating

Extremely strong steel HMS carabiner with an internal spring bar to prevent it from twisting

or cams) and the separator can be moved to the back to make a single large gear loop

Brass heads for optimal characteristics in marginal placements

Knifeblade Pitons Alpine Climbing We have determined that theThese classic pitons are essential thin crack protection. Black Diamond's Knifeblade Pitons have precision ground blades for a consistent taper and a hole in the thickest part of the head to reduce weight without sacrificing durability. Two clip ins for corner placements and weight reduction Note: Per Black Diamond's Product Instructions, only the Angle Pitons #1 #5 and the Lost Arrows #1 #7 are EN certified. Only the Lost Arrow #8 and Angle #6 are EN