Black PVD Finish The durable PVD coating creates a beautiful high-quality finish with sole plate, back badge and copper accents True Path(TM) Alignment The patented alignment system provides visual clarity and helps golfers better envision the line to the hole. White TPU Pure Roll(TM) Insert Made from a combination of Surlyn and aluminum, the white TPU Pure Roll(TM) insert creates a softer feel. Grooves are angled at 45deg to encourage optimal forward roll as well as better sound, feel and overall roll characteristics. The white insert also creates better symmetry with the white True Path alignment. Thin Wall Undercut Construction We've engineered a super stable structure by removing excess weight to create high MOI and legendary Spider performance HYBRAR Echo(R) Dampener HYBRAR is behind the face to dampen unwanted vibrations, delivering premium sound and feel on every putt with the best possible sensation. TSS Weighting TSS weights provide balanced weighting and help optimize performance for all various putter lengths. Steel Wireframe Allows engineers to better control weight distribution and CG location.