1. BODY: Extruded aluminum alloy (Hard anodized)

2. PISTONS: Die cast aluminum alloy

3. BEARING: Nylon

4. O-RING: Buna-N

5. O-RING: Buna-N

6 . END CAP(L): Die cast aluminum alloy

7. WASHER: Stainless steel

8. CAP SCREW: Stainless steel

9. O-RING: Buna-N

10. BEARING: Nylon

11. STOP CAM: Sinteral steel

12. PISTON INDICATOR: Polyethylene

13. RETAINING RING: Stainless steel

14. WASHER: Stainless steel

15. BEARING: Nylon

16. RETAINING RING: Stainless steel

17. PINION: Carbon steel (Electroless nickel plated)

18. BEARING: Nylon

19. O-RING: Buna-N

20. O-RING: Buna-N

21. WASHER: Stainless steel

22. STOP SCREW: Stainless steel

23. NUT: Stainless steel

24. O-RING: Buna-N

25. END CAP(R): Die cast aluminum alloy