Thank you for viewing! [Bulk Purchase Welcome] We offer a 200 yen discount for each additional item from the second item onwards. We have stock available, so if you would like to purchase multiple items, please let us know in the comments. This is a fixer that allows you to smartly attach speakers, projectors, cameras, etc. to ceiling duct rails. Easy one-touch installation without tools. The ball joint allows for smooth angle adjustment. You can adjust it 360 degrees to any direction to match your room layout. *Please check if your equipment has a "1/4 inch (tripod) screw hole". *A separate power outlet plug is required for power supply. Set Contents ・Duct rail mounting fixer (black) x 1 Condition New, unused With a little ingenuity, your life can become more convenient. Recommended for home theater and surveillance camera installation. Instant purchase is OK. Feel free to buy! #DuctRail #LightingRail #LightingEquipment #Interior #EasyInstallation #DIY #CeilingInstallation #360DegreeAdjustment #1/4InchScrew #Projector #Speaker #SecurityCamera #HomeTheater #SpaceUtilization #ConvenientGoods #SmartHome