When unscrewing the bit storage on one it of course felt stiff from age, but threads worked overall.

Brand: VACO
Type: Standard Screwdriver
Warranty: No Warranty
Number of Pieces: 5
Color: Light Blue
Manufacturer Part Number: 70080
Set or Single Item: Single Item
Features: Magnetic
Drive Type: Mixed Set
Country/Region of Manufacture: United States
UPC: NA