Using the Crossbow Rocker BAR20020 reduces friction and pressure on the bowstring and protects it, thus prolonging its life. COMPATIBILITY： Raptor FX3 MO Brush/ Pro STR, Whitetail Hunter Pro/ Pro FX, Whitetail Pro STR, Razr Ice ,Razr, Raptor, Reverse, HeadHunter Reverse, Vicious, DOA < 2016 Finality 360 /390、G-host 360/375/385/410 Carbon/410 Camo/415 Mono/415 Mossy/420、G350C、Whitetail Pro STR.
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