Universal : This pex clamp tool kit meets ASTM F2098 standard and will work well with any manufacturer's 3/8" to 1" stainless steel clamps for PEX connections; The pex crimp tool can also be used to cinch other single-ear hose clamps, as long as the length and width of the ear is within the opening range of the clamp tool Durable : The pipe cinch tool is forged from solid manganese steel for long service life, and the interior jaw is cut by wire EDM to ensure accuracy Easy & Smooth : The pex crimper features a ratchet & self-releasing mechanism which will ensure each crimping easy and complete Efficient & Comfortable : 8.5 inch long handle with dual-color anti-slip rubber material creates a more labor-saving lever distance, making plumbing work more efficient and comfortable Worry-Free : The pex tool is factory-adjusted with no additional calibration or adjustment required; The bonus calibration tool is for backup only Upgrade Storage Bag : The pex tool kit comes in a new version storage bag which can organize many clamps and calibration tool in addition to hose clamp tool and pipe cutter A Complete Set : All-in-one kit including 1pc Pex clamp cinch tool, 1pc Pex cutter, 20pcs 1/2 inch & 10pcs 3/4 inch stainless steel clamps, 1pc calibration tool, 2 pairs of pvc gloves and a upgrade version storage bag