Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si : with a long , used for side post terminal, battery side post with 3/8 inch hole only, recommended to mount on NEGATIVE battery post, DC 12V-24V system, 200A continuous and 600A momentary at DC 12V, on/off 2 position. Convenience: knife blade type, easy to install & simple to . the knife, then will cut. Heavy Duty: solid Metal made, rust and corrosion resistant, durable made for safety . Purpose: used for battery to isolate and secure the electrical system, eliminate any draw from the battery when vehicle or boat is not in , disconnects the battery safely. Used for side post batteries or other batteries which have a 3/8 inch side post terminal, also used for electrical equipment. Material:Metal colour:Photo Color Package Contents: 1 * Battery Disconnect Switch (With long bolts) Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.