Quick view Wehrs Machine 3/4" Double Adjusters Machined Stainless Steel. These adjusters have 2.5" of RH 3/4"-16 thread and 2.5" of LH 3/4"-16 thread. Short one is 5.5", Medium 6.5", and Long is 7.5" MSRP: Was: Now: $29.99 Choose Options Compare