3/6pcs Automatically Lighted Bow String Activated LED Nock For ID 4.2 MM Archery Arrow Accessory Shooting Hunting
Technical details:
Dimensions: 42.4 * 8 mm
Material: ABS
Weight: 17.5 g
Color: Red /green /yellow/ Blue/ purple
Included
1 Set (3 pcs included)
Feature:
100% brand new
-Fits any bolt with diameter 4.2mm.
-Users could control turn on or turn off when they need.
-if you need the nocks lighted,then put the pin into nock,let`s the the cathode contact each other.
-if you don`t need it lighted, then just transfer the both end.it is very easy.
-Same plastic color as the light