- Nominal Thrust 1100 lbs. @ 100 psi/4″ Cylinder
- Easily Converts in Just Seconds with Snap In/Snap Out Push Disks
- Patented Cartridge Stabilizing Plate Securely Holds All Cartridges
- Adjustable Heavy Duty Aluminum Air Regulator
- Air Dump Valve Stops Flow Instantly
- Reverse Air and Quick Disconnect Nipple
Using Mohs’ hardness scale scratch test kit, you can find the hardness of any concrete. Use the lowest number pick and work your way up the scale until the concrete begins to scratch, and once the surface scratches, you have found your hardness level.