3 x Steel shaft extension/extender .600" Butt - Extends 6 shafts up to 4 inches

The GolfWorks Steel Shaft Extensions can be used to extend the finished playing length of any steel shafted club. These 12" long steel butt extensions feature an 8 1/2" parallel mid sections that can be cut in the middle to create two 4 1/4" extensions.

eBay