Mike Balter Contemporary Series Birch Marimba Mallets Green Yarn Medium Hard Contemporary Series Birch Marimba Mallets Green Yarn Medium Hard This light-weight, dual-tonal, wool yarn wound series provides improved desterity and smoth rolling for todays accomplished marimba soloist These come with Satin Birch Handles This light-weight, dual-tonal, wool yarn wound series provides improved desterity and smoth rolling for todays accomplished marimba soloist These come with Satin Birch Handles