Ball-Headed Keys are particularly suitable for initial tightening and for screws which are difficult to reach (tightening angles up to 25°).
Keys with T-Handle and L-Keys are suitable for the maximum tightening torques of the various screws.
L-Keys are particularly suitable for tightening the screws of Universal Connections.
A special L-Key 5 A/F N is used for the Automatic-Fastening Sets 8 N.
The keys are made of high-grade chrome-vanadium steel, matt-chrome plated. The ergonomic plastic handles have an elastic coating of TPE.