Features: Communicate your ideas with professional polish.
19-ring plastic spines won't scratch, chip, peel or discolor.
Binds 11 x 8 1/2 documents.
Perfect for internal reports and functional documents.
Editing capability with a machine.
Compatible with GBC and other plastic comb binding machines.
To select correct diameter, measure thickness of material (including covers) and add 1/8".
Specifications: Global Product Type: Casters & Glides-Commercial Toolbox & Shelving Casters
Stem Type: Grip Ring
Wheel Tread: Hard
Material(s): PVC
Weight Capacity (text): 200 lbs Per Caster (800 lbs total)
Caster/Glide/Wheel: Grip Ring Stem Single Wheel Casters
Stem Size (W x H): 0.38" x 0.88"
Caster/Wheel Size : 4" Caster, 4" Wheel
Wheel Type: 2 Hard Single Wheel,2 Locking Hard Single Wheel
Compliance Standards: Meets or Exceeds ANSI/BIFMA Standards
Disclaimer Statement: Using casters may reduce load capacity for the shelving unit.