A stainless steel hollow lever handle set (ProLock 1 HH 2210) designed for interior doors with a thickness of 40–60 mm, offering a sleek aesthetic and reliable everyday performance.

A stainless steel hollow lever handle set (ProLock 1 HH 2310) designed for interior doors with a thickness of 40–60 mm, combining a sleek look with smooth everyday operation.

A stylish black hollow lever handle set (ProLock 1 HH/HH 2310) designed for interior doors with a 40–60 mm thickness, offering smooth operation and a modern appearance.

A stainless steel hollow lever handle set (ProLock 1 HH 2340) designed for interior doors with a 40–60 mm thickness, offering a modern look, smooth operation, and reliable everyday performance.

An antique brass hollow lever handle set (ProLock 1 HH 2340) designed for interior doors with a 40–60 mm thickness, combining classic aesthetics with smooth, reliable operation.

A stainless steel hollow lever handle set (ProLock 1 HH 2410) designed for interior doors with a 40–60 mm thickness, offering a sleek look and reliable everyday performance.