MAS stands for 'Makers of American Silver, ' which is a company that produces silverware and other items. Kettle and Parker is a line of silverware produced by MAS. The Kettle and Parker line features a variety of silverware pieces, including forks, knives, spoons, and serving utensils. The pieces are made from high-quality sterling silver and feature intricate designs. The Kettle and Parker line is a popular choice for those looking for quality silverware.