Set Includes: <ul><li>10-Inch Pressure Plate Wiper Seal Gasket for TapeTech Flat Boxes (TTX EasyClean model) - Tape Tech Part no. 250026F; Drywall Master part no. 10FF-37. </li><li>12-inch Pressure Plate Wiper Seal Gasket for TapeTech Flat Boxes (Standard and EasyClean models); TapeTech - part # 300026 & 300026F; Drywall Master - part #12FF-37</li></ul>