With the Victor Professional EDGE Series Regulators, Victor continues to offer the safest, most reliable and highest quality gas control technology, giving you more value for your purchase. In addition, standardized designs and components throughout the EDGE family greatly simplify regulator service and repair.All Victor EDGE Regulators are: Easy to use. The EDGE Series regulators have easy to read gauges with enhanced graphics, color-coded knobs for quick gas identification, and offer more natural and safer hand/body positioning for adjusting delivery pressure. Durable and compact. The advanced design makes them some of the most compact industrial regulators available on the market. Construction materials have been carefully chosen for optimum durability, including a forged brass body, ststainless steel bolts, and a regulator housing cap constructed of a zinc-aluminum alloy which has nearly twice the yield strength of brass.