Ace Glass 11084-11 Universal Swivel Clamp

Universal swivel clamp allows positioning of stirrer at any compound angle for best stirring action. One knob Lets you lower or raise stirrer One knob Locks stirrer on support rod, tilts right/left One knob Controls swivel setting, forward/backward Fits support stand from 3/8" to 5/8 (9.5mm to 16mm) diameter. Will hold stirrer mounting rod from 3/8" to 5/8 diameter. Fabricated of precision machined aluminum.