FEATURES-Designed to give you both unparalleled performance & unsurpasses durability-Black-2 packPRODUCT SPECIFICATIONS:Dimension 0.90 X 3.95 X 5.95Height 0.9000Width 3.9500Length 5.9500MATERIAL NAVCOMCOLOR BLACKTYPE STABILIZER / SILENCERMECHANICAL NFIXED NOTHER FEATURES: STOPS STRING OSCILLATION AND REDUCES UP TO 90% OF STRING NOICE,SIMPLY INSTALL INTO YOUR STRING USING A BOW PRESS AND STRING SEPARATOR