Titan Fitness Pair Adjustable 19.5" Thread Dumbbell Handle w/ Lock Collars Capacity: Each side has 7" of space and holds plates with 2" holes; max weight capacity is 150 lb Quality Design: Chrome finish, knurled handle, rubber O-ring inside star collars Durable: Heavy-duty steel and durable rubber O-ring Safe: Chrome finish won't flake off, knurled handle prevents slipping, collars stay tight Compatible: Will hold most plates with 2" holes