The Benchmade 4600 Phaeton D/A OTF Automatic Knife Black Satin Plain Edge. The 4600 Phaeton OTF model has a black anodized handle and a satin finished blade made from S30V steel. The Phaeton has a spine-fire sliding button for quick firing. The handle is made from of 6061-T6 aluminum with black anodized finish. Texturing along the top scale improves grip. A reversible deep-carry pocket clip for left or right-handed tip-down carry.