Home / Home Improvement / Parts / Sander Left-Handed Screw 878197 Sander Left-Handed Screw 878197Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 878197 Brand: PORTER CABLE CO Seller: Sears PartsDirect Categories: Home Improvement, Parts Possible Matches$20.64Parking Light Bulb Socket Compatible With Chevrolet Monte Carlo 197... Description This left-handed screw (part number 878197) is for sanders. Follow appropriate safety practices when installing left-handed screw 878197.