REPLACE with 534824 with Tabs
Certainteed Sash Support System - New Style Pivot Lock Shoe without Tabs
Certainteed Pivot Lock Shoe used with Coil Balance Spring and Cover.
All parts sold individually or as a complete set - See 53221
The new style has a Metal Cam and a larger hole than previous shoe with Plastic cam; If replacing with new style Pivot bars the shoe will need to be replaced also - Coil Springs and other parts should be reusable if in good condition.