[ Package & Size ] A pack includes 4pcs caster wheels in black color and 4pcs mounting sockets in silver color. Caster wheel's diameter is 1.5 inch or 40mm, the grip neck stem's diameter is 8mm, stem part's height is 38mm. Extra mounting socket's diameter is 20mm, the socket's height is 30mm.
[ Applications & Installation ] These Metric 8mm grip neck stem caster wheels can be used for replacing old broken ones under small furniture, shelves, cabinets, tables, desks, stands, drawers, racks, baby chairs ... If there're proper holes,replacement step is pull out old wheel, and push in new wheel. If no proper holes, then you need drill right holes, hammer the mounting socket into holes, push wheels into mounting sockets.
[ Easy & Swivel ] After installing these high-strength nylon wheels, a thin woman can move the furniture easier and faster than a strong man. With these small casters, furniture can be rolled to every direction freely, 360 degree rotatable.
[ Quiet & Stable ] These nylon rollers move with no noise, no scratch. Each wheel's quality is durable for many years. Compared with other grip neck stem wheels, these castors have practical locking brakes. The brake can lock wheels so that hold the furniture standing well.
[ Floor Material & Loading Capacity ] These small wheels can roll smoothly on marble floor, rough floor, or carpet. A pack of 4pcs 1.5 inch M8 casters can support furniture weight max 130lbs.