2 16X18,DBL ENDED RING SPANNER OFFSET
2 17X19,DBL ENDED RING SPANNER OFFSET
2 18X19,DBL ENDED RING SPANNER OFFSET
2 18X21,DBL ENDED RING SPANNER OFFSET
2 19X22,DBL ENDED RING SPANNER OFFSET
2 19X24,DBL ENDED RING SPANNER OFFSET
2 20X22,DBL ENDED RING SPANNER OFFSET
2 21X23,DBL ENDED RING SPANNER OFFSET