Features: 
M3/8" screw size, suitable for every type of alarm and bracket;
5pcs in a set;

Specifications:
Material: nylon plastic
Colour: black
Screw standard: M3/8" (the same as regular alarm screw standard)
Open size: 25mm/1.38"
Net weight: 4g
 
 
Packages: 
5 x Fishing Rod Holder Heads