Tested for extreme noise reduction, the OMP Blackberry String Silencer is made out of a durable, soft, lightweight nylon material. The Blackberry weighs in at just 7 grains, allowing for full performance when used on any style bow. Easy-to-install design can be tied in without the use of a bow press and dense material makes tying the Blackberry on a breeze. Easily ties onto any bowstring with two deep groves on each silencer Durable but quiet Soft TPR Rubber construction Use in tandem in top and bottom configuration Recommend tying w/ .019-.021 diameter serving 4 pk.
