Highland Thin Line SPGHighland Thin Line SPG. Features: Nickel plated brass housing Durable, Lexan lens Airspool with Viton o rings included Luminescent gauge face Wide 240 sweep from 0 to 5000 psi Metric version is from 0 to 400 bar HP hose is not included Manufactured in Italy The Highland Thin Line SPG is now available with dual scale psi bar units. This is ideal for schools and resorts that attract international customers. Dual Scale Features: Nickel plated brass