Joyin 10 Ft Set of 10 Handmade Clear Glass D55 Edison Style Bulbs,UL Listed Commercial Quality Holiday String Lights for Indoor / Outdoor Use ,End-to-end Green Wire Unique light set has a diamond the look The bulbs are made of thick clear glass more securer than bulbs of other string lights. not fragile Number of bulbs on string: 10 Bulb shape: D55,Note allows a max of 3 strands connected together. Bulb size: E17 brass base - fits into a standard C9 light socket Color: clear bulbs / green wire , For Bulbs replacement, please search ASIN#B0199Q0XQ6 Spacing between each bulb: 12" Lighted length: 9' Total length: 10' ,6" lead cord ,6" tail cord