Description Angle stops serve as an economical means to stopping goods at a given fixed point, brackets or angle stop quickly attaches to conveyor frame top flange. ANGLE STOP: Model ASL for light duty and ASM for medium duty applications (1-1/2″ x 1-1/2″ x 10 ga.); Model ASH for heavy duty applications (1-1/2″ x 1-1/2″ x 7 ga.).