Heat Shrink Adhesive Ring Terminals Insulated waterproof marine grade automotive tinned copper electrical ring terminals. Featuring a tinned copper barrel, adhesive lined quality 3:1 ratio heat shrink. Color coded gauge compatibility. Additional Model #'s 264-RING-1/4-2218 264-RING1/42218 264-RING-1-4-2218 264-RING142218 RING-1/4-2218 RING1/42218 RING-1-4-2218 RING142218 UPC: 840128903841