JT Spectra Thermal Lens Smoke Clear Fade Loader Precision Machined Construction: Each bore insert Precision Machined Construction: Each bore insert and barrel component is meticulously machined from high quality materials to ensure exceptional durability and consistency Adjustable feed tension and a built in anti jam release trigger makes sure your patented constant feed hopper can handle any paint and condition All JT Spectra Prizm Thermal Lenses are treated with a super scratch resistant silicone hard coat JT's special silicone formula is three times stronger than the industry standard and offers more protection than any other lens on the market