1Complete Accessories: Including 20 sets toggle switch kits, with hex nuts, washers and sign plates, sufficient in quantity and easy to replace. 2High Performance: Using excellent accessories, with good electrical conductivity, thermal conductivity and corrosion resistance. 34 Pin 2 Speed: These rocker toggle switches are 4 pin 2 speed self locking design, which has strong practicability. 4Screw Terminal: Using screw terminal wiring, with standard size, stable connection and more convenient to use. 5Portable Handle: With thickened stainless steel handle, wear resistant and high temperature resistant, labor saving operation. Item Type: Rocker Switch Product Material: ABS + stainless steel Product Model: E-TEN 1221 Rated Current: 15A Rated Voltage: AC 250V Hole Size: Approx. 12mm / 0.5in Mechanical Life: 50000 times Contacts: Silver plated contacts Connection Method: Screw connection 20 x Switch 40 x Hex Nut 20 x Gasket 20 x Sign Plate Ask a professional electrician for wiring.