ODIN Works Clamp on Adjustable Low Profile Gas Block Black. These AR Gas Blocks by ODIN Works feature a front facing Inconel adjustment screw and spring that is capable of handling high temperatures and are capable of adjustments up to 20 clicks of ball detent with no set screws needed. The ODIN Works .750in Low Profile Gas Block is not for use with pistol length gas systems and high pressure rounds. For a truly adjustable gas block choose the ODIN Works Carbon Gas Block. Specifications for ODIN Works Clamp-On Adjustable Low Profile Gas Block: Manufacturer: ODIN Works Color: Black Condition: New Features of ODIN Works Adjustable Gas Block ODW-RGB-GB-ADJ-CLAMP: Not for use with pistol length gas systems and high pressure rounds. 20 adjustments. Fits .750in diameter barrels. Inconel adjustment screw and spring. Weight 2.15 oz. Made from carbon steel. Package Contents: ODIN Works Clamp-On Adjustable Low Profile Gas Block ODW-RGB-GB-ADJ-CLAMP Detent ball Cross pin Clamp screws Hex wrenches ODIN Works GB-ADJ-CLAMP: Clamp on Adjustable Low Profile Gas Block Black