This is the recommended tool for the following parts: CSHM3X0.5, CSHM3X0.5A286, CSHM3X0.5AD
This is an old part for Anemo. Please use the new reference: CSHTM3
SRMW0305S is a hand installation tool used to wrench the insert into position and swage the external serrations into the parent material for secure mechanical locking.