Major Fitness Sandwich J-Hooks Protect your barbell's knurling while keeping racking quiet and secure. Sandwich J-Hooks feature a plastic lining that fully encases the barbell contact surface, preventing the metal-on-metal scraping that strips knurling and creates noise during lifting sessions. Designed for quick, tool-free installation on any Major Fitness rack with 2" x 3" uprights, these hooks lock into place securely and reposition in seconds when you need to adjust height for different exercises or lifters. Features Full Plastic Lining - Encases contact surface to protect barbell knurling from wear and scratching Noise Reduction - Eliminates metal-on-metal contact for quieter racking and unracking Tool-Free Installation - Pin-lock design mounts and repositions in seconds Secure Fit - Locks firmly to uprights with no shifting under load Specifications Material: Steel with Plastic Liner Upright Compatibility: 2" x 3" Compatibility: Major Fitness Squat Racks, Power Racks, and Smith Machines Sold As: Pair