The R6 series is reliable and resilient in the work that it accomplishes. JET incorporated some innovative features into the R6 series ratchets. Hardened steel gears extend the overall life of the ratchet. An integrated variable speed throttle on the R6 series makes for a much greater control on speed. There is ball bearing construction throughout the entire ratchet to make sure this tool stands the test of reliability as other JET tools do. Trust in the manufacturers of the best tools around, trust JET.