ProMark DV1 mallets feature a thin latex-wrapped rubber core that provide full tone at all dynamics. The DV1 provides the softest articulation. Synthetic wood-blend yarn covers the head. Unfinished birch handles offer a solid, comfortable feel without too much weight.  Designed by The Blue Devils percussion staff to be a diverse line of mallets for indoor or outdoor percussion, the eight mallets in this line were created to cater a variety of players and educators by featuring four graduated marimba mallets designed for use on synthetic marimbas as well as rosewood. DV1 mallets are the perfect choice for playing low notes on extended-range marimbas Length: 16 1/2" Head Size: 1.8 x 1.95"  Designed for use on synthetic marimbas as well as rosewood The nylon-wool blend yarn provides a nice blend, while also being durable for the outside performance demands All ProMark drumsticks are designed and manufactured in the USA to the most stringent quality controls in the industry