Creative Hobbies M992S Wine Bottle Lamp Making Kit Is Pre-wired and Easy to Use! Silver Color Cord & Socket Creative Hobbies M992S Wine Bottle Lamp Making Kit Is Pre-wired and Easy to Use! Silver Color Cord & Socket. No Drilling of wine bottle needed! Cork is 7/8" Top, 5/8" Bottom, Brass Cap is 1 inch diameter. Pre-wired with clear 6 foot SPT-2 Lamp Cord. Lamp components are UL and CSA Listed Takes standard size household bulb