Description: Made of high strength and carrion-resistant material. Used for locking soft bait and crank hook. The matt black finish won't spook wary carp. Flat, anti glare finish, ideal for carping rig. Simple design for easy operation. Specification: Material: Stainless Steel Unit Length: Approx. 13mm / 0.51inch Color: Black Package Includes: 40 Pieces Bait Screws