Use the Taquet Turrets when the end is to face the pitfall. The ball turrets have two rows of delrin balls to allow them to rotate in high loads. - Use the Taquet Turrets when the end is to face the pitfall. The ball turrets have two rows of Delrin® balls to allow them to pivot in high loads. They have a support spring and an U -shaped adapter allowing the use of several types of pulleys. The bass turret 205 is suitable for installations at the deck level and boats using smaller pulleys. Delrin® is a registered trademark of E. I. from the Nemours bridge or its affiliated companies. Height: 114mm Weight: 340gr Diameter Diameter Mini: 3mm, Maxi: 12mm Fixing center: 19mm To Use with pulleys: 57mm- Big Bullet- Dinghy- 2.25 "- Tackle / Tag / Blocker come for:- 470- 505- Korsar- marauder-