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OFISPEED Direct via Amazon [amazon.com] has 1600W 6″/7″ Rotary Car Buffer Polisher w/ 7-Speed on sale for $53.97 – $23.98 off when you apply promo code TQW39ZC6 at checkout = $29.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.