Symbol 1308 from ISO 7000 - Title/Meaning: Clutch 
Function/description: To identify the equipment that connects two shafts so that they can either be locked together and spin at the same speed or decoupled and spin at different speeds.
Own work using: iso.org/obp/graphics/grs/ed659942-001c-4d85-af4f-792f102a4abc 200.png
Vectorization:  Mrmw