Alignment notch helps you achieve a high degree of measurement accuracy. Rotating dial simplifies zeroing out. Stainless steel casing and internal mechanism ensure long-lasting, rustproof performance. Dishwasher-safe scale may be fully submerged in water without adverse effects (if fully dried out before subsequent use). QuickStop needle. Scale Type: General Purpose; Electronic/Mechanical: Mechanical. ~ Includes one scale. ~ QuickStop needle.PEL632SRWQ. 632SRWQ. Rubbermaid Rubbermaid Pelouze Quickstop Mechanical Portion-control Scale, 32oz Cap, 7 X 5 Platform.