Kodak Tri-X 320 4x5 (10 sheets)

KODAK TRI-X 320 Film is a high-speed panchromatic black and white film which is a good choice for photographing dimly lighted subjects or fast action, for photographing subjects that require good depth of field and fast shutter speeds, and for extending the distance range for flash pictures.

TRI-X 320 Film (320TXP) features excellent tone gradation and brilliant highlights. It is especially well suited to low-flare interior lighting or flash illumination. It is also useful for portraiture with low-contrast backlighting outdoors. TRI-X 320 Film (320TXP) is available in sheets on a 7-mil KODAK ESTAR Thick Base. You can retouch this film on the emulsion or base side.

Specs

This and more information can be found in the film's datasheet