Overall plate width 5 1/4"
Overall plate length 8 1/2"
Mounting hole width to center of slots 3 3/4"
Mounting hole length to center of slots 7 1/4"
Features noiseless bearings, positive stops, spring tensioning knob and heavy thick steel ensures longevity. A very strong compact mechanism for most sized chairs which lends itself to replace an original mechanism of a larger or different size using our mounting board kit.