This is the recommended tool for the following parts: CSH0440, CSH0440P, CSH0440AD, CSH0440A286, CSH0440A286P
SRW11 W4-A is a drive wrench for positioning compatible inserts during installation. Compatible with CSH0440, CSH0440P, CSH0440AD, CSH0440A286, CSH0440A286P. This is an old Anemo part. Please use CSHW04