This Schrade converted automatic has a 440C stainless steel blade on anodized aluminum handles with Delrin Scales. The aluminum part is grey and the Delrin Scales are Yellow. When you push the button the coil spring pops the side open blade right out. It opens with some kick. This is a great everyday carry knife. It feels really great in your hand. Overall Length: 6" Blade Length: 2.5" Closed Length: 3.5" Weight: 2.24 oz.