Seven Delrin plastic rollers offer protection to conductors while raising the conductor above the work area. Accommodates conductors up to and including 1.5 inches in diameter. The gate is held closed by a spring-loaded latch which must be manually opened. Roller wire holder — Seven Delrin plastic rollers offer protection to conductors while raising the conductor above the work area. Accommodates conductors up to and including 1-1/2 inches in dia.