Main features:- High-carbon steel material， durable in use.- The surface with coating， corrosion-resistant.- Sizes from 1 - 5 are available.- Fine workmanship， the hooks is very sharp and meet the standards. Material: Carbon steel Hardness: Super Sharp: Super Color: Black Package weight: 0.124 kg Package size (L x W x H): 10.000 x 5.000 x 1.500 cm / 3.937 x 1.969 x 0.591 inches Package Contents: 1 x 100 PCS Worm OffSet Hook Product Safety Disclaimer: We do not accept any responsibility or liability for misuse of this or any other product. All our products are extensively tested to comply with rigorous and strict QC standards. For certain products (e.g. toys， knives， etc.)， we recommend proper supervision as we cannot be held liable for misuse or accidents.