1 Pcs End Cap made from 6061-T6 Aluminum and Center Marked.1 Pcs End Cap made from 7075 Aircraft Grade Aluminum with 1/2 inch-28 threads.9 Pcs 60°Cone filter elements made from 6061-T6 Aluminum and Center Marked. Outer Diameter: 1.700 inch±0.05 inch Inner Diameter: 1.5 inch±0.05 inch Overall Length: 10 inch±0.05 inch 10 Inch long tube: 24*4cm 10 Inch short tube: 5.1*3.5cm