Take a close look at the high quality construction of this item. It is machined with precision and any sharp edges have been rounded and polished. There is also a small hole drilled where the cartridge is attached, so that 'blow backs' will be prevented, in the case where a cylinder is punctured, but unscrewed without first using the contents.
This blow back hole will release any left over pressure before the cylinder is completely unscrewed, since it would otherwise become a dangerous projectile.
Functions: fully adjustable air release, dual valve
Material: machined Steel
Size: 39x47x25mm (1.5x1.8x1")
Weight: 58 grams (1.25 oz.)
Made in Taiwan with quality