The Benchmade 4600-1 Phaeton Dark Earth D/A OTF Automatic Knife Satin Plain Edge. The 4600 Phaeton OTF model has a Dark Earth 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 Dark Earth anodized finish. Texturing along the top scale improves grip. A reversible deep-carry pocket clip for left or right-handed tip-down carry.