Model: -ZT4040 Interface: 9mm outer diameter pagoda water nozzle (hose with 7-8mm inner diameter can be connected) Manufacturing technology: smooth polishing , zero-distance contact with the chip, and good heat absorption effect. technology: polishing and electroplating gold paint. Usage: exclusive water cooling head for semiconductor refrigeration sheet Specification:ZT4040W opposite entry and exit Color:Gold Material:copper Package Contents: 1 * copper water cooled heat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.