Telescoping Gauge Set, Range 13/16 in to 5 in, Gauge Plunger Style Double-Arm Plunger, Included Gauge Ranges 1 1/4 in to 2 1/8 in, 1/2 in to 3/4 in, 2 1/8in to 3 1/2 in, 3-1/2 in to 6 in, 3/4 in to 1 1/4 in, 5/16 in to 1/2 in, Maximum Measurement - Inch 6 in, Maximum Measurement - mm 150 mm, Minimum Measurement - Inch 5/16 in, Minimum Measurement - mm 8 mm, Number of Pieces 6, Case Type Vinyl Case, Construction Steel, Includes Fitted Vinyl Carrying Case, Includes Case Yes WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)