Makita X-Lock 4‑1/2" 80 Grit Type 29 Angled Grinding and Polishing Flap is $9.99 at Amazon, down from the store's own list price of $14.00. That's 29% off ($4.01 less). We last checked this price on Nov 3, 3:38 AM ET. Prices at the store can change at any time, so check before you buy. Brand: Makita. Type: Power tools. Picked for all trades and Carpentry & Framing.