About Us: With over 15 years of industry experience, Clean Strike is devoted to reliable, high-quality cleaning products that you can depend on. Our team has a passion for improving on today’s cleaning products while searching for and designing tomorrow’s solutions. Product Details: Clean Strike pressure washer spray tips are made of professional grade stainless steel 1/4 inch inlet coupler. This particular replacement spray tips pack includes a 5 pack with a 40 degree spray angle and a 3.0 orifice. Depending on the GPM (gallons per minute) you are looking for will determine what orifice size you should purchase. 4,000 PSI = 3.0 GPMs, 3500 PSI = 2.81 GPMs, 3000 PSI = 2.60 GPMs, 2500 PSI = 2.37 GPMs, 2000 PSI = 2.12 GPMs, and 1500 PSI = 1.84 GPMs. Our pressure washer spray tips are easy to remove and insert when changing them out. For your own safety - we caution you to turn off the power washer prior to attempting to remove or insert any pressure washer spray tips, attachments, or accessories. Our promise: We stand behind our products. If you are experiencing any issues with your purchase or are dissatisfied in any way, please contact us and we promise to make it right.