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). Scale Type: General Purpose; Electronic/Mechanical: Mechanical; Increments: 0.25 oz; Platform Size: 7" x 5".