Felo 41393090 E-slim Insulated 3 x 100mm Slotted Screwdriver Traditional Security Torx Screwdrivers the single-blade nut splitter is

the single-blade nut splitter is exactly the right choice

2 Middle Layer's  - 57mm (2 1/4") Foam Insert

The layered design offers durability

it can connect above or below any classic or drawer Systainer and under (but not above) any T-Loc regular Systainer case

Felo 41393090 E-slim Insulated 3 x 100mm Slotted Screwdriver Traditional Security Torx Screwdrivers the single-blade nut splitter isFelo 41393090 E slim Insulated 3 x 100mm Slotted Screwdriver Series 413 Ergonic E slim VDE Insulated Screwdriver Handles are 30% slimmer Reduced shaft diameter by up to 50% Ergonic, the first handle that adapts to the users hand Full length, impact proof handle core is coated with elastic, scratch resistant elastomer containing cells of highly flexible plastic Smooth, seamless handle for maximum comfort Hand and handle interlock, causing less strain