Bolted directly onto the track chain in the same way that a steel track pad would go on. They can also be recoated when the rubber has worn.
Extremely versatile and quickly attached to the steel track via clips at either end of the pad. Useful if your steel tracks do not have pre-drilled bolt holes, they provide excellent noise and impact reduction on all surfaces.
Bolt-on pads have additional benefites in environments such as working close up against obstacles which may damage the overhanging ends that are part of a clip-on pad - for instance working close to railway lines. Bolt-on pads are bolted to the grouser and fixed to pre-drilled holes.