# Milwaukee M12™ Cordless Sub Compact Polisher/Sander 12V - M12BPS-421X

.The Milwaukee M12™ Cordless Sub Compact Polisher/Sander (M12 BPS-421X) is the perfect 2-in-1 solution for professionals and enthusiasts who need efficiency and control in tight spaces. With variable dual-speed settings of up to 8300 RPM, it delivers smooth polishing and aggressive sanding performance in one compact package. Designed with REDLINK™ electronic overload protection, a long-lasting REDLITHIUM™ battery system, and a 76 mm disc capacity, this tool makes quick work of automotive detailing, furniture finishing, and spot repair jobs — all without the bulk of traditional polishers. Key Features & Benefits Dual-Speed Functionality: Switch between 0–2800 RPM and 0–8300 RPM for polishing and sanding versatility. REDLINK™ Overload Protection: Protects the tool and battery during heavy-duty use for extended tool life. Fast, Effective Surface Work: Comes with a 76 mm polishing pad and 50 mm sanding pad to cover more surface quickly. Compact Build for Tight Spaces: Only 130 mm in length, making it ideal for hard-to-reach areas. Tool-Free Accessory Changes: Quick swaps with spindle lock—no additional tools needed. Comfortable Two-Position Handle: Removable side handle for user control and adaptability. Battery Monitoring for Longer Runtime: Keeps individual cells optimized for more efficient energy use. REDLITHIUM™ Battery Power: Includes 2 batteries (1 x 2.0Ah and 1 x 4.0Ah) and C12 C charger in a heavy-duty box. Flexible Battery System: Compatible with all MILWAUKEE® M12™ batteries. Product Specifications Model : M12 BPS-421X Voltage : 12V Battery Type : Li-ion Battery Packs Supplied : 1 x 2.0Ah + 1 x 4.0Ah Disc Diameter : 76 mm No Load Speed : 2500 / 7500 RPM Gear 1 Speed : 0 – 2800 RPM Gear 2 Speed : 0 – 8300 RPM Spindle Size : M9 x 0.75 Weight with Battery : 1.0 kg Vibration (Polishing) : 2.95 m/s² (Uncertainty: 1.83 m/s²) Standard Equipment : Polishing pad, sanding pad, white sponge, yellow sponge, lambswool pad, side handle Supplied In : HD Box The Milwaukee M12™ Cordless Sub Compact Polisher/Sander 12V (M12 BPS-421X) is a versatile tool designed for both polishing and sanding applications. Its variable two-speed selection (0–2,800 / 0–8,300 RPM) allows for precise control, while the compact 130 mm design ensures access to tight spaces. Equipped with a 76 mm polishing sponge and a 50 mm sanding pad, it delivers efficient performance for various tasks. The REDLINK™ overload protection electronics enhance durability, and the tool-free accessory change simplifies operation. This kit includes 1 x 4.0Ah and 1 x 2.0Ah REDLITHIUM™ batteries, a charger, and a durable HD box, providing everything needed for immediate use.

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## Variants

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| Options | SKU | Price | Availability | Variant ID |
| --- | --- | --- | --- | --- |
| Title: Default Title | MMC05708SM | GHS 560,000.00 | Out of stock | `variant_01M6FSW940WW2NRCC7RS517E31` |

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