Killark MC29 - 360° armor grouding spring is resuable. Copper free aluminum construction for harsh, corrosive and certain hazardous areas. Provides sealing back nut plus inner o-ring seal to prevent moisture ingress to the cable armor and enclosure. Patent pending combination union elbow that allows proper 360° alignment where space is limited. Compact 90° bend for optimized wiring configurations. Armor is terminated prior to bend allowing for minimal bending radius MC aluminum cable connector series is designed for use with jacketed interlock, continuously corrugated and welded armor cable. Rated for indoor and outdoor use and allows for a 45 and 90 degree bend where space is limited.