The Legends Card Grading Centering Tool manufactured by Envy Born Games in 2022, is a convenient tool for grading standard-sized cards. Made from plastic and acrylic materials, the kit includes a centering tool for maintaining the authenticity of graded cards. The product dimensions are 3.5" in length and 2.5" in width, and it weighs 3.84 ounces. With the support of PSA for authenticity, this kit is perfect for all ages.