Please refer to the Images above; Product Specifications, Associate Part Chart and the Model Fit Guide below to Ensure a proper fit. PRODUCT NUMBER AND VARIATIONS: 139-3502, 139 3502, 1393502 PRODUCT TYPE: Switch Box Support Rod Cap SIZE: Length 3.125 in. - Width 0.375 in. - Height 0.375 in. - Weight 0.012 lbs. NOTES & DETAILS: Toro OEM 139-3502 IS COMMINLY USED - Installed Over the Push Button/Switch Box Support Rod to Eliminate Wear on the Push Button/Switch Box. COMMON SERIES APPLICATIONS: Toro Select 21" Power Clear Snow Blower Models (with Electric Start Option). MODEL FIT CHART: SNOWBLOWER’S POWER CLEAR Series – Model Numbers – (* Model Numbers 38753, 38756, 38757) ASSOCIATED PARTS CHART: ASSOCIATED PARTS REFERENCES FOR PART NUMBER 139-3502 ONLY CLICK ON THE ASSOCIATED PART NUMBER TO BE REDIRECTED 3296-47 - LOCK NUT (Retains the Handle Push Button/Switch Box Support Rod to the Lower Handle Section) x1 Per Handle Push Button/Switch Box Support Rod 107-3844 - CONTOUR WASHER (Shaped to contour the Handle and is Used Between the Handle and the Fastners to Protect the Handle and Support the Fastners) x1 Per Handle Push Button/Switch Box Support Rod 139-3501 - PUSH BUTTON/SWITCH BOX SUPPORT ROD (Installed in the Lower Section of the Handle Assembly and Adds Extra Support and Protection to the Electric Push Button/Switch Box) x1 Per Handle Assembly