wedge heads, each stamped or otherwise permanently marked to indicate a loft of greater than 56 degrees (provided for in subheading 9506.39.00) Free No change No change On or before 12/31/2020 . 1643. Golf club putter heads Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.65 Golf club putter heads (provided for in subheading 9506.39.00) 3.0% No change No change On or before 12/31/2020 . 1644. Tennis rackets, strung Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.70 Tennis rackets, strung and packaged for retail sale (provided for in subheading 9506.51.20) 3.3% No change No change On or before 12/31/2020 . 1645. Tennis racket frames, unstrung Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.71 Lawn-tennis rackets, unstrung (provided for in subheading 9506.51.40) 1.3% No change No change On or before 12/31/2020 . 1646. Racquetball rackets Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.72 Racquetball rackets (provided for in subheading 9506.59.80) Free No change No change On or before 12/31/2020 . 1647. Squash rackets Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.73 Squash rackets (provided for in subheading 9506.59.80) Free No change No change On or before 12/31/2020 . 1648. Volleyballs Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.74 Inflatable volleyballs (provided for in subheading 9506.62.80) 1.0% No change No change On or before 12/31/2020 . 1649. Basketballs other than leather or rubber Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.17.75 Inflatable basketballs, each having an external surface other than of leather or of rubber (provided for in subheading 9506.62.80) 3.5% No change No