Links are made of durable urethane.
. | Justrite Two-Way Urethane Connector For Ground Protection Mats, HDU-2-WAY Urathane Links lock mats together to form a semi-permanent, yet portable continuous roadway, walkway or working platform. Justrite Two-Way Urethane Connector For Ground Protection Mats, HDU-2-WAY Use single links to connect two mats end-to-end or side-to-side to create a roadway; double links can create a platform by connecting four mats together at the common corners.