Manufactured from AluminiumIlluminant: 1xH4 (12 Volt 55/60) and 1xH7 (55 Watt) Low and High Beam with Parking Lights. Product is 'E' Marked. Dimensions: 3 1/2 inches housing. Diameter 218mm. Depth from thread 60mm. Pyramid Lights and Indicators have been specially selected for their universality and compatability with most motorcycles. All regular fittings and fixtures are supplied with these Lights to ensure fitment is simple but please be aware that you may need to modify your existing light configuration in order to achieve the best fit. Our Lights will arrive safely packaged together with comprehensive fitting instructions and any additional fittings which may be required. No modification to your motorcycle is necessary.