With the SPIN-IT, Plasti-Bond can be tightened much faster than with conventional tools. Because SPIN-IT never touches the coating, damage to the conduit is eliminated. SPIN-IT is available in popular sizes for 3/4"""" through 2"""" drive conduit. Use 1/2"""" drive impact wrench or a standard ratchet wrench for 3/4"""" and 1"""" conduit, use 3/4"""" drive for sizes 1-1/4"""" through 2""""."