Sonor Hardwood Glockenspiel Mallets Hardwood Glockenspiel Mallets Sonor Hardwood Glockenspiel Mallets feature 18mm diameter wood heads with wood handles Hard; for use with glocks with steel sound plates Sonor Hardwood Glockenspiel Mallets feature 18mm diameter wood heads with wood handles Hard; for use with glocks with steel sound plates