70L 7mm LED Expandable Light String, 4-6in Bulb SpacingTwo game changing features in one string: built for the install, built for the long haul. #1 Durability that cuts callbacksEverlastrings is one of the most rugged strings in the industry, backed by a true 730 day warranty. Install it once and move onfewer failures, fewer service calls, and more predictable jobs. The built in elastic band allows the string to stretch with your growing tree. Not wrapping trees? Choose the non stretch wire option for