Left Hand Tool Grade K Shank 12 x 12 mm, Left Hand Tool Grade K Shank 16 x 16 mm, Left Hand Tool Grade K Shank 20 x 20 mm, Left Hand Tool Grade K Shank 25 x 25 mm, Left Hand Tool Grade P Shank 12 x 12 mm, Left Hand Tool Grade P Shank 16 x 16 mm, Left Hand Tool Grade P Shank 20 x 20 mm, Left Hand Tool Grade P Shank 25 x 25 mm, Right Hand Tool Grade K Shank 12 x 12 mm, Right Hand Tool Grade K Shank 16 x 16 mm, Right Hand Tool Grade K Shank 20 x 20 mm, Right Hand Tool Grade K Shank 25 x 25 mm, Right Hand Tool Grade P Shank 12 x 12 mm, Right Hand Tool Grade P Shank 16 x 16 mm, Right Hand Tool Grade P Shank 20 x 20 mm, Right Hand Tool Grade P Shank 25 x 25 mm