Answer: These are the risers for the rubber threshold Ramp. You would have to put them under the rubber mat to shim it up. The diagram is to illustrate how the risers would work to create a maximum height of 4¾ inches. 2/Pack means you will get 2 risers. If you are looking to purchase the ramp, it would have to be purchased separately. Please click this link: https://www.shopwheelchair.com/search?searchterms=rubber%20threshold%20rampfor the ramp.
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