Proto J6222RD 1 Drive Torque Multiplier Square Drive Replacement Kit
https://www.sawab.app/shop/j6222rd-proto-j6222rd-1-drive-torque-multiplier-square-drive-replacement-kit-1344
https://www.sawab.app/web/image/product.template/1344/image_1920?unique=b300c89
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Proto® Torque Multipliers provide overload protection with replaceable output square drives that are designed to twist off at 3%-10% over maximum output capacity.