6 Pack O-Clamp Stage Lights Truss Clamp, 2" Aluminum Light Clamps, LED PAR DJ Spots Lights Moving Head Beam Spot Clamps, Fit for 48-51mm (1.88-2") OD Tube/Pipe, Heavy Duty 220lbs, TUV Certificated

Betsy Grunch, MD | Neurosurgeon on Instagram: "During some procedures on the brain and spine we utilize a clamp to hold the head perfectly still #neurosurgery ##mayfield##craniotomy##surgery##spinesurgery"