Kodak T-Max 400 (TMY) B&W Negative Film 135-36 (35mm)

Manufacturer's description:

KODAK T-Max 400 is a high-speed black and white film (ISO 400/27°).
The T-Max 400 features T-Grain technology with excellent sharpness, fine grain and wide exposure latitude.
The sensitivity can be increased to ISO 1600/31° through push processing.