what determines whether or not you get one with a black polisher head and backing plate as opposed to white?

At present, our pro series polishers are all with white head.

I saw reviews about this machine coming defective , either backing plate not spinning properly and others , is this fixed?

Yes as far as I know. I've never had a problem with there products. You have to watch some reviews. People get the polisher and don't oil the backing plate before installing. Or they simply don't know what there doing. If something is wrong they have excellent customer service.

What can be used as a 5" backing plate for the m21 pro.....i want to purchase this unit but i do not use a 6" bp.....thanks

Just change the backing plate to a 5 inch they are interchangeable maxshine has 5in backing plates

What are the benefits of this machine over the previous model other than the increase wattage?

This new polisher with 1000-watt motor, used CNC machined counterweight. It also upgrade to progressive switch trigger which is more comfortable when using. Beside, it different from M15 in dust vent, constant speed controller...

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Maxshine M21 Pro Dual Action Polisher – 21mm Long Throw Random Orbital Buffer, 1000W Detailing Machine with 6″ Backing Plate –Variable Speed 2,200–5,000 OPM for Car, Truck, SUV & Boat Paint Correction

Maxshine M21 Pro Dual Action Polisher – 21mm Long Throw Random Orbital Buffer, 1000W Detailing Machine with 6″ Backing Plate –Variable Speed 2,200–5,000 OPM for Car, Truck, SUV & Boat Paint Correction

Product ID: 82322086

Details

Brand
Maxshine
Color
21mm M21 Pro
Included Components
6" Backing
Material
Rubber Steel
Product Dimensions
18.3"D x 6.1"W

⚡1000W high-torque motor

🔄21mm long throw orbital action

🎚️Variable 6-speed control (2200-5000 OPM)

S$537

Duties & taxes included

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Description

✨ Elevate your shine game with pro power and precision! ⚡

TAILORED CONTROL - Six-speed dial lets you dial in the perfect polish from cutting to waxing.
POWER MEETS PRECISION - 1000W motor delivers relentless torque for flawless paint correction.
COMFORT IN EVERY DETAIL - Ergonomic, low-vibration body keeps fatigue at bay during marathon detailing.
MAX COVERAGE MINIMAL TIME - 21mm long throw design accelerates polishing with swirl-free results.
VERSATILE PRO GRADE PERFORMANCE - Engineered for cars, trucks, boats, and RVs to restore showroom shine.

The Maxshine M21 Pro Dual Action Polisher features a robust 1000W motor paired with a 21mm long throw random orbital action, delivering professional-grade paint correction and swirl removal. Its variable 6-speed control (2200-5000 OPM) ensures precise polishing tailored to every stage, while the ergonomic, low-vibration design maximizes comfort for extended use on cars, trucks, SUVs, boats, and RVs.

Specifications

ASIN	B07H7DM6DX
Best Sellers Rank	#121,955 in Automotive ( See Top 100 in Automotive ) #41 in Buffer & Polishing Backing Plates
Brand	Maxshine
Brand Name	Maxshine
Color	6" Dual Action
Customer Reviews	4.4 out of 5 stars 161 Reviews
Included Components	6" Backing Plate
Item Dimensions D x W x H	18.3"D x 6.1"W x 6.1"H
Item Type Name	Maxshine M15 Pro 15mm/1000W Dual Action Polisher
Item Weight	2.3 Kilograms
Manufacturer	Maxshine
Manufacturer Part Number	M15Pro
Manufacturer Warranty Description	Manufacturer Warranty
Material	Rubber , Steel
Material Type	Rubber, Steel
Maximum Power	1000 Watts
Model Number	M15Pro
Power Source	Corded Electric
Product Dimensions	18.3"D x 6.1"W x 6.1"H
Specific Uses For Product	Automotive
Speed	5000 RPM
UPC	614070283555
Unit Count	1 Count
Voltage	110 Volts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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S$537

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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