TX 70B Sand Rammer. The Texas Pneumatic rammers are proven in the field. They have a smooth-finished, black oxided body. They are tough, yet easy to handle. These rammers can be used various applications for foundry purposes, as well as construction-related areas. High performance with minimum operator fatigue. Easy start and stop features. Lightweight rugged construction. Adjustable packing gland. Fast hitting. Greatly improves the quality of casting in all types of foundry applications as well as packing sand, packing plastic alumnea in fire walls, and packing cast stone.