Tough-1 Swivel and Lock Endurance Stirrups The Tough-1 Swivel and Lock Endurance Stirrups feature simple saddle installation just remove your current stirrups and slip your new swivel and lock stirrups on. The system allows stirrup to rotate 360 degrees or it can be locked into any position for maximum comfort and also allows the fender to lay flat against the rider’s knee. The Swivel and Lock Endurance Stirrups are guaranteed to relieve knee and ankle strain and come complete with 4.5” deep aluminum stirrup with cushioned rubber insert and two tools for unlocking the swivel action. Choose 2.5” or 3” neck. Features: Simple saddle installation Allows stirrup to rotate 360 degrees Can be locked into any position Provides maximum comfort and also allows the fender to lay flat against the rider’s knee Guaranteed to relieve knee and ankle strain Complete with 4.5” deep aluminum stirrup with cushioned rubber insert Item Specifications: Color: Black with silver (silver swivel bar in photo is shown with a black protective film) Height 4.5 for the 2.5 Neck 5 for the 3 Neck Model Number: 57-2046