11.7-in Square Concrete Patio Stone at Lowe’s $1 + Free Store Pickup By admin | May 8, 2019 8:59 am EST 0 Comment Lowe’s has 11.7-in Square Concrete Patio Stone, Grey for $1 w/ Free Store Pickup. also avail in Red dimensions: (Common: 12-in x; Actual: 11.7-in x 11.7-in)