High Grade Headspace Gauges Comparator Set

Material: Bushing holding body: 303 Stainless steel Headspace gauge bushing size: .330'', 350'',375'',400'',420'' Headspace gauge bushings: 6061 Aircraft grade aluminum alloy. Surface color-coded and hard anodized with a ceramic-like wear-resistant surface. Compatible caliper jaw thickness: ≤4.70mm

• Screw-on bushing design. Stainless Steel bushing holding body. Better concentricity and consistency than the H brand or others
• High-grade CNC machining ensures precise, consistent, and beautifully finished parts
• Color-coded bushings with a ceramic-like Type II hard anodic coating provide a durable finish and make it easy to identify calibers for user convenience
• A nice tin box is included for convenient bushing storage
• Headspace gauge bushings were individually pin-checked with Go=-12μm(-half thou), No-Go=+12μm(+half thou)
• We also have the full set of bullet comparators & headspace gauge set available separately on Amazon
• We're a small business from Australia called Derraco Engineering. We take our time designing and making our products, making sure we do it right without taking any shortcuts. We hope that once you try our stuff, you'll remember our name.