The RL-7767 stem levelers from Bud Industries feature nickel-plated steel caps and stem and a 3/8-16 threaded stem. The RL-7767 has a nylon base and is furnished with 2 height adjusting nuts. Used on Economizer and Classic II Cabinet Racks. Threaded stem measures 3" and the base measures 0.75" from the floor to the base of the threaded stem (overall length 3.75").