W&W Extender ACS-EL

Key features:

• The ACS-El uses graphene carbon which makes it about 20 g lighter than the ACS-15 when you compare the 4" version.
• Threads: 5/16" x 19 mm (Bow)
• Diameter: 19 mm (Carbon), 22 mm (End Pieces)
• Weight of the Lengths: 55 g (3"), 60 g (4"), 65 g (5"), 70 g (6").
• Available in 2, 3, 4, 5 und 6" lengths.