Check the listing for details. Harbor Freight Bauer 1631E-B Demo Hammer Carbon Motor Brush 63440 63437 1631EB. Condition: New. Listed at 24.15 USD. IMPORTANT : Read Entire Listing Before Ordering ! There are two different versions of the Bauer 1631E-B that use different brush parts.Reference by the Item number. This listing is for a Carbon Motor Brush set for:Harbor Freight / BAUER 12.5 Amp 23 lb. SDS-MAX Type Demolition Demo HammerModel #: 1631E-B Listing price is for a pair of brushes, as pictured.USA shipping is included. Item #: 63440 uses a "spring" type brush.Item #: 63437 uses a "no spring" type brush. Got questions? Contact me before ordering. By placing an order, you are agreeing that you have read this listing,understand the differences and are ordering the appropriate brush for your tool. Looking for a hard to find brush?Let me know what you have,I'll check if available. ..