• Fits all arrows with inside diameter 6.2mm carbon shafts
• Constructed of a super tough polycarbonate material
• Their double-snap throat with special string angle compensation keeps arrows on the bowstring,even at extreme angles and with string loops
• Insert the nock into shaft,align it to your desired position and you're ready to shoot
• The nock has a string activated linear switch that is housed within the nock and will not turn on or off accidentally
• Battery (non-replaceable) last over 24-48 hours(battery included)

Specification:

• Material:ABS
• Length:45.5mm
• Light color:yellow,red,blue,green

Note:

• Please allow 0.1-1cm differences due to manual measurement
• Due to the difference between different monitors,the picture may not reflect the actual color of the item.Thank you!

Package Included:

• 6xArrow nocks(battery included)

NO Retail Box.Safely in Bubble Bag.