Large mallet, tremendous game improvement option for any player looking at oversize mallets. Alignment benefits of RifleScope Technology (RST). The SB1w is offset version. Face-balanced (no discernable toe hang). 100% milled. The SB1 is more precise, providing better set up and alignment aid than other putters in this category. Black Satin finish. Weights will be installed in putter head bringing head weight to 356g. Each weight cartridge weights 7 grams. Allen wrench can remove weights (wrench not included with purchase).