Fangrui Product Details Description/features: Compatibility: Specifically Designed For Canon Ef 70-200mm F/2.8 Is And Isi Lenses, Ensuring A Fit And Functionality. High-quality Material: Manufactured With Precisio , Providing Reliability And Durability For Your Lens Repair Needs. Essential Repair Part: Ideal For Fixing Issues Related To The Guide Post Unit Of Your Lens, This Screw Is A Must-have For Maintaining Optimal Performance. Easy Installation: This Screw Can Be Easily Installed By Professionals Or Enthusiasts With Basic Repair Skills, Making It A Convenient Choice For Quick Repairs. Specifications: Color:white Material: Plastic Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Will Not Affect Use Package Contents: 1 X Guide Post Unit Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/-