A convenient insert compatible with any Easton 5mm arrow shaft (not included), Easton 5mm Stainless Steel Half-Out Arrow Inserts combine trustworthy durability and great FOC performance. Offering an 8-32 thread, these 50-grain inserts offer greater FOC than conventional inserts. Made of sturdy 416 stainless steel, these inserts create an exposed insert length of .487" when installed. Sturdy stainless steel inserts for Easton 5mm arrow shafts (not included) 50-grain Features an 8-32 thread Sturdy 416 stainless steel construction Greater FOC than conventional inserts