Ergonomic putter grip by 2Thumb 8 sided design Allows multiple hand placement options Better alignment consistency RA & USGA Approved    SPECIFICATIONS Dimension L279 mm × W36 mm × D28 mm Weight 66 grams Material EVA Core with PU Ultra Tac wrap Colors Black, White  Core size: 0.580″   FULL DESCRIPTION The all new 8 sided OCTOTECH range has been specifically designed to fit perfectly into the natural shape of a golfer’s hands whilst delivering ultimate feel and feedback from every stroke you make.With Dimax technology giving you the traction when needed down both sides of the grip and a smooth soft-touch front, you have the perfect combination.The non-tapered design will help promote even grip pressure across both hands and by doing so reducing potential wrist action.The OCTOTECH will accommodate all of todays gripping styles, from Conventional,  Claw, Left hand low, Prayer etc..