? One of a comprehensive range of accessories for PerfoTool & PerfoWall panels. ? All hooks and accessories latch onto the panel"s holes. ? Unit can be secured effectively with retaining clip supplied. ? Model No. TTS42 ? List Price £ One of a comprehensive range of accessories for PerfoTool & PerfoWall panels. All hooks and accessories latch onto the panel"s holes and can be secured quickly and effectively with retaining clip supplied.