Multi Day Electrodes 2.25x2.5 Square Pk 40 Model 633 40 Wrist Braces Supports Replacement Caster 4 *Twin Hip Kits Replacement Caster 4 *Twin Wheel Casters Have Threaded Stem For Extra Security And Safety *MJM's Exclusive Reinforced Caster System Allows Additional Structural Support To Our Entire Product Line Our Positive Engaging Lock Holds The Wheel Securely So There Is No Swivel Movement When Locked *The Unique Design Allows Easy Movement On Hard Surfaces And Helps Eliminate the Wheel From Falling Into Cracks *Soft Non Marking Tread (It Will Not Leave Black Marks Or Leave Groves In Wood Or Vinyl) *Quiet Mobility (Hard Treads Make A Lot Of Noise)*Non Rust Plastic Body And Wheels *High Load Capacity (160 lbs) *Non Slip Tread Matrixed Audio Tone and A B Ratio for Dual Channel Systems * 4cm) square * Clear gel * Pin connection * Paper finger tab design offers easy one step application and removal * Constructed of soft spun lace for ultimate comfort * Economical electrodes may be worn continuously for 2 5 days * Pack 40 * Latex free * Self adhering * Single use stimulating electrode for TENS NMES FES * 2