4pieces/lot m10 thread Soft Light metal Flexible conduit metal gooseneck hose serpentine tube for clamp lamp utility light use - AliExpress
Feit Electric 29.5 in. 4 Flexible Head 40-Watt Clamp Mount White LED 3 Adjustable Spectrum Plant Grow Light, White Adjustable Light GLP29/B/ADJS/40W/LED - The Home Depot