DMM A337 Ultra D Locksafe Carabiner, Titanium/Green Type_Bearing Dynatec has a high strength-to-weight

Dynatec has a high strength-to-weight ratio and is abrasion resistant

Allows users to communicate with 3 other workers over 800m

SpeedCut Nano has been engineered from the ground up with maximum efficiency in mind

RipCut is not recommended for hand-held use

without any loss of power

DMM A337 Ultra D Locksafe Carabiner, Titanium/Green Type_Bearing Dynatec has a high strength-to-weightThe Ultra D is similar in size to the Ultra O but with even greater strength due to the back configuration. The pronounced D shape forces the loading along the major axis of the carabiner to maximise strength. Perfect for use at the end of lanyards, and in fact for most other working at height applications.