knee probs? Adjustable sofa risers (seaton EX12)

Black. Perfect condition. Adjustable. Fits any size - they go under the sofa/settee feet. See photos. No longer required. Will raise the sofa 4 inches/10 centimetres. Inside the bucket risers for the feet/chair legs the height is another 2 inches/5 cms. Allowing for greater height with pieces of wood if necessary. Great for people who have problems getting out of low chairs. Collection only.