They grip the inserts while installing them and break the installation tang free inside tanged inserts
Multipurpose Drill Bits Tool Performance General Purpose Product Service Code 5133
Division 2Class II Division 1 & 2Class III
Wattage Output 3
Compressed Air Filter
Enerpac GP10S Hydraulic Cylinder Pressure Gauge 0 to 10,000 psi psi, 4 in Dial, 1/2 in NPTF Male, Bottom G1247653 They grip the inserts whilePressure Gauge, Gauge Type Dry, Dial Size (In.) 4, Range 0 to 10,000 psi, Connection Size 1 2" NPT, Connection Location Lower, Range (PSI) 0 to 10,000, Pressure Range 0 to 10,000 psi, Smallest Graduation (PSI) 100, Accuracy (%) + 1, Lens Material Glass, Required Gauge Adapter 3KD38, Characteristics Calibrated with a Bottom Connection, For Use With All Cylinders, Includes Safety Blowout Disc and Pressure Equalizing Membrane, Manufacturers Warranty