These alloy buckles are top-notch in the material handling industry. As my tests showed they securely fasten the straps and prevent any slipping or loosening during transportation. The SILVER finish adds a sleek touch to the industrial and scientific setting. One minor con I noticed is that the buckles are a bit heavier than other similar products, but the added weight actually contributes to their durability .Overall, these straps and buckles are a trusty choice for any heavy-duty work!