Mount turning blanks with ease by attaching ring to your blank then mount to your 4-jaw chuck. There is no need to remove chuck from lathe, quickly swap between workpieces. Dovetailed clamping diameter for strong and secure holding power for larger projects. Nickel-plated cold-rolled steel for superior quality and built to last. Each faceplate ring includes a set of wood screws. 6" Faceplate Ring fits jaws with clamping diameter of 4-1/4" with minimum closed diameter of 4". Fits most 4-jaw chucks. 100% Made in USA.