The Kershaw Blue Needs Work is a lightweight utility-style spring assisted knife that is designed for every day use and carry. The Sandvik 14C28N gives excellent corrosion and wear resistance. The Needs Work also sports the Ken Onion SpeedSafe(R) assisted opening system that delivers smooth, easy opening. The liner lock keeps the open blade in a nice tight open position until you close it. This a a great utility knife. Steel: Sandvik 14C28N stainless steel Handle: Glass-filled nylon, Blue Blade Length: 3 in. (7.5 cm) Closed Length: 4 1/8 in. (10.5 cm) Overall Length: N/A Weight: 3.5 oz.