ZPI MCR01 Color Mechanical Cap #GunmetalSKU45801685312030OverviewThe diameter has been increased to improve operability. A carbon ring has been attached to the exterior, which has succeeded in minimizing the weight increase that is a disadvantage of making the diameter larger.FeaturesBrandZPIUS $13.94 US $0 SKUQuantityPrice 4580168531203 0 US $13.94 Customer reviews and ratingsBe the first to write a review of this product!