The Golf Club Trader stainless steel shaft extensions can be used to extend the playing length any steel shafted club. They have a total length of 12″ and can be cut in half to create two 3.25″ extensions. They are tapered to fit snug in the butt of the shaft and have a 2.75″ insertion depth. Material: Stainless Steel Size: 0.580 or 0.600 (butt diameter of shaft) Quantity: 5 double-sided extensions (10 total) #1 Online Source For Golf Club Components