Novel, closed frame design, which offers high bending strength and breaking resistance. Large handle piece for a good grip and secure handling. Stable crank arm can easily be modified for left-handed people. Genuine plain bearings for long durability and smooth running of the entire crank mechanism. Wound tape is perfectly protected in the frame from mechanical stresses. Tape ring can be fixed to the frame and protects the tape from breakage. Stable, precise folding hook for single-person use. Tape measure: accuracy class EC II.