Ships from CA, United States. The standard block is of outstanding quality and value, made of solid stainless steel
There is a double ball bearing system for smooth rotation without looseness or wear inside
Comes with a brake which allows you to control the rotational resistance
The black jaws and satin finish save your eyes from glare and strain
Ball diameter: 5" ; Jaw width: 2.5" ; Jaw height: 1.5" ; Max opening: 3"