19th Hole Custom Shop Spider High-MOI Mallet Putter Headcover, Heel Shaft, White Cover Heel Shaft mallet putters Synthetic white PU Leather. Black Velvet Lining, Velcro Closure Fit Heel Shafted big size High-MOI Mallet Putter White with "Black Widow Spider" embroidery Inner Size(wide x deep x height): 130 x 115 x 30 mm (5-1/8 x 4-1/2 x 1-1/8 inch )