In 1993 PowerBlock introduced the world's first quick-change adjustable dumbbell. Today we remain the only adjustable dumbbell found in the training facilities of pro sports teams, major colleges and universities and elite training facilities around the world. Set includes 2 dumbbell blocks (1 pair) plus storage rack. 
 
Features: 
Compact - Just 12.5” in Length at 50lbs (12.5" x 7" x 7.25") 
 Convenient - Replaces up to 10 pairs of traditional dumbbells (5, 10, 15, 20, 25, 30, 35, 40, 45, 50) in 5 lb increments
Quick and Easy - Adjustability Ideal for supersets and pyramid loading
Convertible - Compatible with Pro Kettlebell Handle
Trusted by professional & elite athletes and their trainers
Proven performance and reliability
Grip is hard chromed knurled steel, 1.3" grip diameter, and 4.88" long
Weight plates are polyurethane coated steel, with a magnetic pin, rated for 500 lbs
1 Year Limited Commercial Warranty