They are exactly as stated, they fit perfectly, the set screws are very strong and strong, they don't snap or twist, heavy gauge steel and very satisfied. I only use them for top speeds of 300rpm, haven't tested them at higher rpms but of the 4 I bought they are all perfect.
Climax Metal C 100 Collar Plated: π Exceptional Strength & Durability for Secure Shaft Attachment
3 Review
π Urethane Elastomer Nominal Coupling for Lovejoy Applications
3 Review
π§ Enhance Plating Precision with Climax RC 050 Coupling Length
3 Review
π© Durable Solid Steel Plated Shaft Collars Set for Efficient Industrial Applications
3 Review