A Lockback is named for the rocking lock bar visible on the top of the knife. Opening the blade causes the "rocker" to lock against the blade so it locks open. Locking systems are essential for folding knives because they prevent the knife from closing on your hand during use. The OPTREK™ 7 3/4" Stainless Steel Lockback Knife was constructed with you in mind, and crafted to fit your needs and preferences. With high-quality craftsmanship and built for performance, the OPTREK™ 7 3/4" Stainless Steel Lockback Knife is made for hiking, mountaineering, travel, camping, fishing, adventure sports, or home use. Tough reliability and resilience will handle any cutting need, and the ergonomic knife form is comfortable to grip with the Strong Leymar™ handle with stainless steel clip and easy to hold. Durable stainless steel 1/2 serrated blade will resist corrosion and hold a razor sharp edge. The OPTREK™ Stainless Steel Lockback Knife comes with a nylon sheath for knife carrying, and is packed inside a blue virgin polyethylene blow molded case for safe storage. Knife measures 8" open and 4 3/4" closed.Limited lifetime warranty.