1. Compatibility: N621119 Steel Outer Clamp Washer 648697-00 DCS372 Blade Bolt Compatible with DCS390 DCS391 DCS392 DC310 DCS373 Circular Saw DC310K DC390B DCS393. 2. Material: Made of metal material, not easy to break and can be used for a long time. Easy to install, just replace the damaged parts, no need to repurchase the entire product, saving time and money. 3. Quality: Well-designed and well-crafted. Not an original part, but meets original part manufacturing requirements. This is a replacement part and is functionally equivalent to the original part. 4. N621119 Steel Outer Clamp Washer 648697-00 DCS372 Blade Bolt Compatible with DCS390 DCS391 DCS392 DC310 DCS373 Circular Saw DC310K DC390B DCS393 Outer Clamp Washer Tool Replacement Part for. 5. Colour: As shown. 6. Package Contents: 1 x Washer, 1 x Blade Bolt. Only the above package content, other products are not included. 7. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.