... sliding roller, sliding wheel for UPVC/Aluminum window door Roller, wheel, window roller, window wheel, door roller, door wheel, sliding ... .5mmMain Material: Copper, Zn alloyFinishing: Satin Nickel.Bearance: Less than 30kg/2pcsWindow handle, door handles, window hinge, door ... hinges, friction stay, wind supporter, espagnolette bolt, window lock, door locks, window bolt, door bolts, PU Foam, glass glue, ...