These are a slick way to get your Worker blasters battery door on and off without tools. These screws are designed to be compatible with the Worker Nightingale, Phoenix and Phoenix 2.0. 

FEATURES:
• Tool-less removal of battery door
• Includes 1 Thumbscrew
• Compatible with the Worker Nightingale
• Compatible with Worker Phoenix and Phoenix 2.0

SPECS:
• Material: Stainless steel thumb screw