+3 1 3/4" Nylon Bushing For Chair Swivel Tilt Mechanism MR-170007 $8.00 In stock Quantity: 1 Add to Bag Product Details Nylon Bushings for Swivel Tilt Mechanisms:170007 1 3/4” across the top. Will fit tubing that is 1 5/8" inside diameter Works With our Swivel Tilt Mechansim MR-170007 Save this product for later Favorite