Think Tank Tech 8 1/2 x 11-Inch Hand Crank Paper Shredder (Blue) Think Tank Technology 8 1/2 x 11" Hand Crank Paper Shredder General Features: Blue shredder Easy hand crank operation A4 sized (8 1/2 x 11-inch) paper Takes paper up to 9-inches wide Shreds into 3 mm strips Clear container Non-slip pads on bottom Perfect for confidential documents Easily emptied Single feed Ideal for home, office or schools