The stainless steel core allows for premium bottle cap prying power, while the real wood exterior adds a soft touch and natural feel that you just can't find elsewhere. Specs: | Small Engraving Area for Logos & Text | 301 Industrial Grade Stainless Steel Core | Genuine Wood on Both Sides Custom Engraving: **ENGRAVINGS WILL BE ON THE BACK** Bottle opener keychains can be engraved with up to 3 lines of text (20 characters each, including spaces), or a logo.