Total Load Capacity: 75 kg/ 165 Lbs, Each Wheel Load: 25 kg/ 55 Lbs; Wheel Size: 38 x 17 mm / 1.5 x 0.67 inch (Dia*W); Caster Thread Size: 20 x 8 mm / 0.79 x 0.31 inch (L*Dia); Mounting Height: 54 mm / 2.13 inch; Packing List: 4 x Threaded stem casters, 4 x Nuts, 1 x Wrench Advantage: The threaded casters are made of PA, which is wear-resistant and pressure-resistant, with high hardness and greater load-bearing capacity, ensuring smooth and safe movement. The thickened carbon steel bracket is chrome-plated on the surface to prevent rust and corrosion. Built-in balls, 360-degree flexible rotation, smooth and quiet Instruction: Threaded design, with nut and wrench, easy to install on furniture, can be used to replace old casters. Suitable for smooth tile floors and rough floors. (2mm/0.08" thin and opening mouth is 12"-14" wrench suitable for screw fixing nut installation) Application: The threaded stem caster wheels are designed for replacing old and broken wheels on desks, storage racks, chairs, lockers, shoe racks, bookshelves, and other furniture. Widely used in homes, offices, libraries, bars, shops, etc. Note: 1. Please note that the load capacity of 4 wheels can only be calculated as the load capacity of 3 wheels. Because the road surface is uneven, the force on the 4 wheels may be uneven. 2. Please measure the size of the shelf bolt-hole before your purchase The threaded stem caster wheels are designed for replacing old and broken wheels on desks, storage racks, chairs, lockers, shoe racks, bookshelves, and other furniture. Widely used in homes, offices, libraries, bars, shops, etc.

Specification
Material: Carbon Steel, PA
Total Load Capacity: 75 kg/ 165 Lbs, Each Wheel Load: 25 kg/ 55 Lbs
Wheel Size: 38 x 17 mm / 1.5 x 0.67 inch (Dia*W)
Caster Thread Size: 20 x 8 mm / 0.79 x 0.31 inch (L*Dia)
Mounting Height: 54 mm / 2.13 inch
Total Height: 73 mm / 2.87 inch
Nuts Inner Width: 9 mm/ 0.35 inch
Packing List: 4 x Threaded stem casters, 4 x Nuts, 1 x Wrench

Advantage
The threaded casters are made of PA, which is wear-resistant and pressure-resistant, with high hardness and greater load-bearing capacity, ensuring smooth and safe movement. The thickened carbon steel bracket is chrome-plated on the surface to prevent rust and corrosion.
Built-in balls, 360-degree flexible rotation, smooth and quiet.

Instruction
Threaded design, with nut and wrench, easy to install on furniture, can be used to replace old casters. Suitable for smooth tile floors and rough floors. (2mm/0.08" thin and opening mouth is 12"-14" wrench suitable for screw fixing nut installation)

Note:
1. Please note that the load capacity of 4 wheels can only be calculated as the load capacity of 3 wheels. Because the road surface is uneven, the force on the 4 wheels may be uneven.
2. Please measure the size of the shelf bolt-hole before your purchase.