Stainless Steel Nipple (Per Each) Made of stainless steel, these nipples are carefully machined and long lasting. Fits Thunderhawk, Fire Hawk, Black Diamond, System 1, and all traditional cap locks except where noted. Thread size 1/4x28. For #11 Caps Traditional Caplock, Modern In Lines
Warranty: Limited lifetime warranty covers the product through the lifetime of the original purchaser, except in the case of obvious abuse or neglect.