Freak XL inserts are crafted from high-quality aerospace grade aluminum alloy, the full 8-inch control bore is precisely honed and offers a wide range sizes. These color-coded inserts are designed with a durable low-friction hard anodized finish and laser engraving for easy and quick identification.

Features:

• 8 barrel inserts - .679, .682, .684, .687, .689, .691, .693, and .695
• Made from light weight aluminum alloy
• Color coded and laser engraved with bore size