RH3 Keybed Hammers are Identified by a Letter Designation. There are Four Groups for the White Keys and 4 Groups for the Black Keys. Look for Letters A,B,C,or D on your Hammer and Match it up to the Part Numbers Below.

For: M388, M5088, LP350, SV173, SV188, SP250, Kronos 73, Kronos 88,  Kronos88X

500422008821 RH3 WHITE KEY HAMMER GROUP A 

500422008822 RH-3 WHITE KEY HAMMER GROUP B

500422008823 RH-3 WHITE KEY HAMMER GROUP C

500422008824 RH-3 WHITE KEY HAMMER GROUP D 

500422008825 RH-3 BLACK KEY HAMMER GROUP A 

500422008826 RH-3 BLACK KEY HAMMER GROUP B 

500422008827 RH-3 BLACK KEY HAMMER GROUP C 

500422008828 RH-3 BLACK KEY HAMMER GROUP D 

Click Here For The Hammer Parts

Click Here For The RH3 Service Manual