Uses: Designed as a pocket-sized (for residential use) and is convenient to carry. Material: Uses R-ABS resin (recycled ABS) with low elongation, providing stable accuracy. Scales: The following six scales are engraved: 1/100, 1/200, 1/250, 1/300, 1/500, 1/600 Instant purchase without a message is welcome. Shipping is usually closed on weekends and holidays. Please specify the amount when negotiating the price. Discounts are not always guaranteed. For home appliances, machinery, and other products, if there are any defects, we will handle returns and refunds. Instant purchase without a message is welcome.