A23 aluminum fly seats by American Tackle.

• Available in black & titanium anodized finishes
• Available in rosewood, burl rosewood & 3K carbon fiber inserts
• Recessible fixed hood
• I.D.: 0.36" (9.14mm) / O.D.: 0.65" (16.51mm)
• Hood O.D.: 0.815" (20.701mm)
• Length: 3.60" (91.44mm)