These Shimano Quick Drag Caps are machined from a solid block of aluminium then anodised black.
 
 
These speed your drag speed to around 1 full turn when your spools are also fitted with Ice Washers (supplied), We have found other branded caps won't work properly unless you purchase washers separately. 
 
This cap will only fit the;
 
Aero Technium MGS 12,000 XTB
Aero Technium XS-C
 
This kit consists of 1x quick drag cap and 3x Ice Washers
 
 
*These do not have a drag knob clicker*