Zwickey Hollow Point Broadhead Adapters 5/16 in. 28 gr. 12 pk. Made to glue into a traditional style head;Converts broadhead into screw-in style;For 5/16" broadheads;Long version;28 gr.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 1300 Product Group Code: 1300G Product Sub Group 1: 1300G2 Pack Size: 12 Inactive: No