Lumenok Lighted Nocks Green S 3 pk. Activated by force;Deactivated by slightly pulling it back as to break the contact;Five sizes to fit most carbon and aluminum shaftstable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 1100 Product Group Code: 1100B Product Sub Group 1: 1100B2 Pack Size: 3 Inactive: No