adjustable lever, 1) furniture glides, 2) PP material, 3)dia 48mm*27mm Height, 4)with M8*30 thread. 5) used for computer desk. adjustable lever, furniture glides,1) PP material,2) dia 48mm*27mm Height,3) with M8*30 thread.4)used for computer desk.5) good sell in Russia and Ukraine market. JML001 plastic adjustable lever for computer desk