Siemens ASK77.3 SKU: ASK77.3 $49.28 $129.69 Quantity -+ Limited Factory Stock Details Mounting Kit for Rotary Actuators GDB..1E and GLB..1E without Spring Return, 2-Year Warranty Installation Instructions DetailsInstallation Instructions Back Mounting Kit for Rotary Actuators GDB..1E and GLB..1E without Spring Return, 2-Year Warranty Back Stocked items ship in 1 business day. Factory items typically ship in 3-5 business days (estimate only). Actual times may vary.Email sales@energycontrol.com for more information.