This is a pair of two (2) new radial air-loc gr/kr16 multi-fitment passenger tire inner tubes. They are approved for radial and bias tire use. They are multi-fit tubes that are made to be used in the following sizes: gr16, kr16, 7-16, 8-16, 5. 50-16, 6. 00-16, 6. 50-16, 7. 00-16, 205/55r16, p205/55r16, 205/60r16, p205/60r16, 205/65r16, p205/65r16, 215/50r16, p215/50r16, 225/75r16, p225/75r16, 215/70r16, p215/70r16, 225/70r16, p225/70r16, 235/70r16, p235/70r16, 215/55r16, p215/55r16, 215/60r16, p215/60r16, 215/65r16, p215/65r16, 225/60r16, p225/60r16, 225/65r16, p225/65r16, 235/55r16, p235/55r16, 235/60r16 and p235/60r16. applications are for passenger car tires. These tubes have a standard tr13 short rubber valve stem.