This listing is for a new

Pratt-Read 5/16" External Square Specialty Screwdriver

Overall Length    4.375 inches nominal
Blade Length    1.125 inches nominal
Wrenching Surface Size    0.297 inches nominal single end
Wrenching Surface Shape    Square first end external
Material    Steel wrenching surface
Material    Plastic handle

As seen in picture / no other parts, accessories or instructions included.