The Ingersoll Rand R1120-TRK1 Ratchet Head Kit helps restore proper fastening operation in compatible ratchet tools. This replacement kit contains components used within the ratchet head mechanism to transfer the tool’s drive motion to the fastener. It supports controlled tightening and loosening during maintenance and repair tasks. The kit can replace worn or damaged head components ... https://www.wholetoolbox.com/ingersoll-rand-r1120-trk1-ratchet-head-kit/R1120-TRK1.html