Overview Reviews Product Description Details: Blue Thread Protector Top Has Space To Keep Extra Tank O-ring Handy Fits all standard HPA and CO2 tank regulators Good condition Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Thread Protector - Blue Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments