CT QuickArbor Double Hand Ascender Size:Default the SafeBloc has no moving

the SafeBloc has no moving parts to wear out or damage

This tool is a simple yet effective tool that assists a climber climbing up and down in Single Rope Technique (SRT)

But nothing else comes close

Suits 8-13mm ropes

CT QuickArbor Double Hand Ascender Size:Default the SafeBloc has no movingClimbing Technology QUICK'ARBOR Double Hand Ascender Double handle ascender for tree climbing, with a special "V shape" ergonomic structure, that makes for easier and faster rope ascent. Top protection cover preventing the accidental insertion of branches during the ascent. It has been developed to grip on icy and dirty ropes also. Makes for more efficient footlocking tree ascent It is provided with a cam release system (PATENTED). Cam Lever mechanism