HRC 500 XL / 510 XL Series is a special lengthened version of the HRC 500/510 couplers used in situations where the gap between butt splice ends varies up to 1". The connection is solidified with the addition of shims within the gap.
HRC 500 XL / 510 XL Series Downloads
Caltrans Pre-approved
and Frequently Used
and Frequently Used