The Daiwa Deep Unit 40mm is a storage tray designed for larger winders and bulkier tackle. Its construction includes a ridge and recess compression seal for a secure, watertight closure, along with a perforated base for ventilation or drainage. The 40mm depth suits bigger items, and the unit can be extended to 60mm using the spacer unit when additional space is needed for larger items. - Ridge and recess compression seal - Perforated base - 40mm depth suited to bigger winders - Can be extended to 60mm with the spacer unit when larger items require storage