3/6/12Pcs Automatic LED Lighted Nocks Archery Arrows ID 6.2mm Arrow Nock Tail. 6/12Pc Automatic LED Shooting Archery Arrows Lighted Nocks 6.2mm Arrow Nock Tail. Glowing arrow nocks, battery capacity can be used continuously 48hours, the actual use of the first three nights are very bright, the fourth night began to slowly weaken.
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