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he black plastic casters are made of high hardness nylon, with thicken center support to ensure it strong enough for daily use.
360 degree swivel with double track wheel makes the caster wheels more flexible, reasonable brake makes it easy to use.
Package includes 4 pieces black threaded stem caster wheels and matched threaded nuts and spanner. The size is as picture shows.
We equipped matched install tool for you, just drill a 1.2cm depth hole for M7.5 thread nut, and then screw and connect them to finish.
The plastic casters will not hurt carpet or all floor, easily keep silent to bring your home family convenient quiet life. So it can widely use for furniture like office chair, table, suitcases, bookcase, small trolley, etc.

4 PCS Nylon Caster Wheels with Brake, Black Swivel Castor Wheels with M7.5 Threaded Stem Nut and Spanner, Plastic, Black Description

4 PCS Nylon Caster Wheels with Brake, Black Swivel Castor Wheels with M7.5 Threaded Stem Nut and Spanner, Plastic, Black
4 PCS Nylon Caster Wheels with Brake, Black Swivel Castor Wheels with M8 Threaded Stem Nut and Spanner, Plastic, Black Specifications Color: Black. Material: Plastic. Feature: With brake. Full length: About 60mm. Size: As shown in the picture. Threaded Stem Scifications: M8. Packaging included: 4 pieces caster wheels and matched installation tools.