Manufacturer: GrovTec GTSW299
GrovTec Multi Adaptor Swivel Stud Black Oxide
Add function to push button swivel bases with the ingenious Multi-Adaptor. Use supplied allen wrench to depress plunger and slide into base. Standard stud is ready to accept all accessories that require standard studs. Fits all standard push button swivel bases. Set includes two Multi-Adaptors and two stainless steel bases.