This listing is for spacer to go between the tow bar and the tow ball. Design as pictured. Provides more space between the hitch and the towing vehicle. Perfect for when the design of the vehicle or tow bar is restrictive. Solid aluminium construction. Sizes are as pictured. 130mm total width, 1/2" (12.5mm) thick. Fits standard tow balls and tow bars (89 to 91mm bolt centres)