The Brass SPG, featuring a scratch-resistant lens, high-contrast background, a luminescent needle, low weight, and a small size, allows for streamlined rigging and is ideal for stage and deco bottles.It comes with a high-contrast black background and white markings, a luminescent needle, and is standard with Air Spool and Viton O-rings.This SPG is oxygen clean and available in 0-400 BAR. It boasts a super-hard PVD-coated brass housing with Bourdon tube and a scratch-resistant plastic lens.Measuring 1.5” (38.1 mm) in size, it's a versatile addition to your diving gear.