Gikfun MD0505 3.5T Variable Inductors Coil adjustable Inductor for Arduino (Pack of 20pcs) AE1233 Go to amazon.com Related posts Best variable inductor Feature20PCS MD0505 3.5T Variable Inductors Coil adjustable Inductor Description20PCS MD0505 3.5T Variable Inductors Coil adjustable Inductor