Arthur Xtreme Engineering XCaliber Tour SL Graphite Iron Shafts .
The most UNIQUE iron shaft in the industry. Designed to compete with the performance of premium steel shafts.
The Arthur Xtreme Engineering Xcaliber graphite .370 iron shafts
Design incorporates Aldila’s Tour proven RIP Technology® with unique composite construction to create a shaft flex profile for maximum distance and control – Hyperbolic Flex Technology™.
The Arthur Xtreme Engineering XCaliber graphite taper tipped .355" iron shafts 4-PW
Designed to Promote a medium trajectory with medium spin