FREE!!! We have about 16 USED "Versa Lock" block left over from re-doing our retaining wall. FREE to anyone willing to come and haul out of my backyard. We also have a dozen or so "half" block that you break, to do corners & 2 "caps". Email if interested. FREE!! No pins, glue or accessories. PICTURE IS JUST A REPRESENTATION NOT ACTUAL. Size is approximately right but block is grey in color. Arapahoe at Holly (google map) (yahoo map) Location: Centennial