This is the recommended tool for the following parts: CSH518, CSH524, CSH518P, CSH524P, CSH518AD, CSH524AD, CSH518A286, CSH524A286, CSH518A286P, CSH524A286P
SRW31 W4-A is a drive wrench for positioning compatible inserts during installation. Compatible with CSH518, CSH524, CSH518P, CSH524P, CSH518AD, CSH524AD. This is an old Anemo part. Please use CSHW518, CSHW524
