Easton's 5MM Half-Out Insert is a convenient insert option compatible with any Easton 5mm arrow shaft. Available in Aluminum or Stainless Steel configurations, this half-out delivers improved FOC versus conventional inserts. Aluminum Half-Out Specifications: 8-32 Thread 25 grains 7075-T6 Alloy Packaged per dozen Exposed length is 0.487″ Stainless Steel Half-Out Specifications: 8-32 Thread 75 Grains 416 Stainless Steel Packaged per dozen Exposed length is 0.487″