【STURDY PU Caster Wheels】 -- The stem casters are make of soft PU material, the PU casters wheels are soft, sturdy, wear-resistant, quiet. The casters will not make loud noise and there will be no scratches when it go across the floor. The casters are safe to all kindsl of floors! 【HEAVY DUTY M8 CASTERS】 -- Caster Stem Size: M8-1.25x1″ (Stem Diameter 8mm, Stem Length:1″). The casters make of thick steel bracket with strong wheels, which make sure its capacity is heavy duty! CAPACITY: 2''-300lbs/ 3''-900lbs/ 4''-1200lb/ 5''-1500lb weight capacity per set. 【360 ° SWIVEL & DUAL LOCKING BRAKES】 -- The casters has ball bearing, which is 360° swivel, you can change the direction anytime. The dual locking brakes can help to stop the caster wheel at once at any time they need. It make the casters convenient and safe to use! 【SAFE & SMOOTH & DURABLE】 -- Compared with some lightweight casters, it has high load-bearing capacity and better functionality! Our casters also have better performance of durability, shock absorption! 【HARDWARE KITS INCLUDED & WIDELY APPLICATION 】-- 4 bolts, 4 washers, 2 spanner and internal hex wrench. With these accessory, you can finish the installation easily! The casters are suitable for workbench, shelf, cabinet, home/office furniture, cart, trolley, Site facilities etc. SPECIFICATIONS:

Item: Stem Casters Wheels
Material: PU
Caster Brake Type: 4 casters with Dual Locking
Thread Size: M8-1.25x25mm
Caster Size: 2Inch / 3 Inch / 4Inch / 5Inch
Caster CAPACITY: 300lbs/900lbs/1200lbs/1500 lbs in total.

FEATURES:

-- Premium Quality M8 Stem Casters;
-- HEAVY DUTY CAPACITY;
-- Smooth & Silent & Sturdy;
-- Quiet & Safe to floors;

-- 360 Degree Swivel;
-- Dual Locking Brakes;
-- Smooth Ball bearing;
-- Wear-resistant;
-- Widely used for home, shopping mall, hospital, school and industrial occasions!

2inch:
Caster Total Length: 103mm/4.0"
Total Height: 98mm/3.85"
Installing Height: 71mm/2.79"
Wheel diameter: 50mm/2"
Caster width: 23mm/0.9"

3inch:
Caster Total Length: 135mm/5.1"
Total Height: 135mm/5.3"
Installing Height: 110mm/4.3"
Width: 60mm/2.36"
Wheel diameter: 75mm/3"

4inch:
Caster Total Length: 140mm/5.5"
Total Height: 160mm/6.3"
Installing Height: 135mm/5.3"
Caster Width: 60mm/2.36"
Wheel diameter: 100mm/4.0"

All our products are quality assured! We use advanced equipment, and the latest technology for ensuring the longer life and flexibility of casters!
The Heavy Duty Swivel Stem Casters Wheels are widely used in different industries.Our casters will be a reliable choice for you and offer a convenient experience at life and work!