Marimbas,Xylophones,Vibraphones,Glockenspiels - keyborad percussion manufacturer

The B-1, because of its hardness, is best suited for use with the SG-100 Glockenspiel.
The B-3 is suitable for use with the SX-50 Xylophone.
No. 510 can only be used with steel bar Glockenspiels*
(SG-120, SG-100, SG-88, SG-80).
* Use on models other than specified may result in damage to the instrument.