Free-wheel
7mm Square input, 37.8mm Round output
Features
For worm gear G414F039, G414F011, G414F624, G414F625 (max. 8 Nm)
Prevents the shutter curtain from being rolled up incorrectly
One design for left-hand or right-hand installation
A stop ring to act as an assembly stop for the roller tube of the shutter is available