DescriptionMade of material, durable and steady, equipped with insulation material, keep the whole using process are safety. Can be use for circuit connect and automobile maintaince, also fit with jump start cable. An necessary tool for you and your friends.Features- Color: black+red. - Material: Copper - Size: 7.8 x 4.7 x 1.3cm - Made of material ,durable and steady performance. - for charging batteries or connecting the circuits. - Copper plated, insulated material outside, ensure safety used. - Widely used in automobile maintence and fix use, especially fit for jump start cable use. - Portable, lightweight, safe, reliable and easy to use.