Golf Shop: GOLFSMITH Mac Burrows Wedge with Steel

"Golfsmith Complete MAC Burrows Wedge with Steel : MAC Golf Wedge Heads feature the unique Powersphere technology, which places a dome-shaped hollow directly behind the sweet spot, helping to increase launch angle for precise shotmaking from the fairway, rough or bunkers. These wedge heads are made of steel and two copper alloys for soft feel. Requires a .355 taper tip shaft"