Steel Parallel Set 9 Pair 1/4" Thick 6" Long 0.0002" Precision 9 Pair 1/4'' x 6'' parallel set; Storage case color may vary : RED or BLUE. If this is a problem, please email us first before making the purchase. 1/4" thick 6" long ; Accuracy 0.0002" Used for layout work, standards and setup ; Holes designed for easier handling and setup Storage case INCLUDED ; Weight: 9.75lbs (roughly) Quantity: 1 set (9 pair, total of 18 pieces) ; Case overall dimension: 7''L x 8-1/2''W x 2-1/2''H