Gum Rubber Grout Float Length (In.) 12 Width (In.) 4 Thickness (In.) 3/4 Rubber Material Wood Handle Handle Length (In.) 7-3/4 Handle Dia (In.) 1-1/4 Aluminum Backing Two Rounded and Two Square Corners Ergonomically Designed Comfort Handle Aluminum Back Plate For Applying Grout to Wall or Floor Tile Meets/Exceeds -