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Office Chair Base 28″ Swivel Chair Base Heavy Duty 350 Pounds Replacement


1000 in stock


  • 【PREMIUM QUALITY】- The black office chair base contains thickened metal construction. 28 inch, 350lbs; It is wear-resistant, anti-scratch, and anti-rust. 360-degree swivel action for easy transfer.
  • 【HEAVY-DUTY SEAT PLATE】- The seat plate has a fixed mounting hole of 6″ x 10″. It rated for up 320 pounds. The extended service life offered. The practical chair gas lift piston is ideal for various office chairs.
  • 【PNEUMATIC GAS CYLINDER】- The solid pneumatic gas cylinder provides a good load capacity of 350 lbs. It has a 5″ travel from lowest to highest. The adjustable height of the cylinder: 4 inches (100 mm).
  • 【ROLLING CASTER BASE】- The diameter of 5 casters is 60 mm. Each caster rated for up 110 lbs. The friction is small with noiseless function. The anti-skid caster is convenient to move. The damage to the floor reduced.
  • 【EASY TO ASSEMBLE】- It is extremely simple and convenient to install and operate. Complete accessories all parts you need under the seat are equipped.
Color Black
Material Metal/Plastic
Base size 28″
Wheel casters diameter 60 mm (2.4 inch)
Mounting hole pattern 6″ x 10″ / 15.2 x 25.3 cm
Load capacity 350 lbs (cylinder rated); 320 lbs (seat plate rated); 110 lbs (caster rated)
Adjustable height of cylinder 100 mm/4 inch
Product weight 22 lbs


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