| Comparison : |
Item # UCDH42, Railroad Heavy Turning, thickness 0.517 / 0.523 in
Item # UCDH42-NEG, Railroad Heavy Turning, thickness 0.517 / 0.523 in
Item # UCDH43-NEG, Railroad Heavy Turning, thickness 0.767 / 0.773 in
Item # UCDH53-NEG, Railroad Heavy Turning, thickness 0.767 / 0.773 in
Item # UFDH33-NEG, Railroad Heavy Turning, thickness 0.389 / 0.395 in
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