Economy sandpaper face paddle. Bulk economy table tennis balls are ideal for any recreation program. Seamed balls are 40 mm in diameter. Net & post Includes metal bracket with screw tighten clamp and a sliding L post to allow for tightening. Polyester net has 1/2" white top band and side pockets, slide easily over post for easy assembly. Clamp has a maximum opening of 2-3/8".