244116 ⎘
Miscellaneous hardware [e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.]; Sash balances; Spring Friction roller
Concealed casement window hinge with roller and integral shipping block
Block and tackle window balance device
Frictional drop resistance for sash counterbalanced by curl springs