Product name: ceramic terminal block; material (external): ceramic。High quality ceramics. Abration proof, available for 800 degree Celsus maximum operating temperature. Color: white; Type: 2 position. Rated current: 30A; Connector diameter: 6mm/ 0. 24 inch Overall Size: 32 x 27.5 x 20mm(l*w*h); weight: 135G.Package content: 4 x ceramic terminal block.(Size:Ceramic Terminal 30A,4 Pcs Discriptions: 1. Double rows and with removable clear plastic insulating cover. 2. Each pair of terminals is insulated from the next, prevent circuit in disorder. 3. The set screws secure wires reliable contact and help prevent accidental contact with the terminals. 4. Used for wires connecting of home appliances, electronic circuits, machines, etc. 5. One mounting hole each end for fixed mounting, easy to install.