Amazon has a Yes4All 60-Pound Adjustable Dumbbells Set Sale, $64.99 with Free Shipping. Expires: 6/17/2020 - Highly Rated at 4.4 out of 5 stars. - I pity the delivery guy!

Note: Temporarily out of stock but can be ordered - 50lb also available.

• SET OF 2 DUMBBELLS - 60 LBS TOTAL: TWO 14”x1” handles, FOUR 5-pound plates, FOUR 8-pound plates, FOUR collars
• CAST IRON WEIGHT PLATES FIT 1-INCH STANDARD BAR: Accommodate all standard 1-inch handles. Durable cast iron plates covered with black paint finish preventing rust and corrosion for lifetime use
• 14-INCH DIAMOND KNURLED CHROME HANDLE: Constructed of high-quality, textured chrome handle for secure, firm, and non-slip grip
• STAR-LOCK COLLARS WITH LOOSE-RESISTANT RUBBER TRIMS: Threaded ends with star-lock collars provide a safe, secure workout & easy weight plate changes
• EASY USE & STORAGE: Take seconds to assemble and take out. Compact, convenient, and easy to use and store. All-for-one dumbbells eliminate the need for multiple dumbbells in your workout space. Suitable for performing basic toning body workouts, core fitness, strength exercises and heavy leg lifts
• 5-Year Warranty on weight plates and parts

NY Times - How to build Muscle in 9 minutes

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