Guideshaft

1. What are the lengths of the different Guideshafts? 2. What is the function of the extended Guideshaft? 3. What if I damage the lift pin in the guideshaft? 4. How long does the Guide Shaft last? 5. What is the function of the extended Guideshaft? 6. What if I damage the lift pin in the guideshaft? 7. how long does the Guideshaft last? 8. What is the function of the extended Guideshaft? 9. What if I damage the lift pin in the guideshaft? 10. How long does the Guideshaft last?