Titleist Scotty Cameron Studio Style Squareback Pins & Aces The SuperStroke Flatso™ putter grip The SuperStroke Flatso™ putter grip features a distinct pentagonal “Flatso” profile: a wide a contrast under peak the near face balanced Squareback has a two tone perpendicular alignment feature that assists players in keeping the putter square through the impact area the near face balanced Studio Style Squareback delivers soft sound and feel with the line’s new Studio Carbon Steel (SCS) face insert that includes new chain link face milling technology while providing new alignment and design features that promote a square setup and stroke