... . Various Option for you to chose!1.Shape of Shaft: F/R/KQ shaft style2.Length of Shaft:15/20/25 ... /27.5/30/35/37.5mm3.Taper and Resistance:A Taper:1K/2K/5K/10K/20K/50K/100K/250K/500K ... ~ 250 KΩTotal resistance tolerance±20%Resistance taperA,B,C,D,E,K,WA,B,C,D,E,K,WA,B,DA,B,C,D,E,K,W,M,NRating power (W)0 ...