Born for Effortless Movement - You'll receive 1 set of caster wheel kit which enables you to easily turn and move heavy tool boxes.Featuring 360swivel design for effortless maneverability and smooth rolling,this front wheel allows you to slide your box effortlessly even in tight space or complex environments,very helpful accessories for toolbox! Larbor-saving and Comfortable - Instead of dragging or tilting the toolbox to move,this wheel is to roll smoothly around users by raising the front of toolbox by 1 in,reducing stress and strain on wrists and arms,offering you comfortable experience when moving tool box. Premium Quality - Constructed from thickened high quality steel,this caster wheel is super solid and . 7mm thickness steel material and heavy duty casters can easily achieve 200 LBs load capacity to meet the demand of tough jobs.Soft cushing rubber thread makes it quietly rolling on smooth or rough .The swivel casters with ball bearings have smooth swiveling and protection from dust and debris,enabling smoother swiveling and extending service life. Foldable Design - Simply fold the wheels up when not in use,quickly revert the tool box to its old two-wheel configuration,allowing you to adapt your toolbox to different transportation needs with ease. Must-Have Accessories for Tool Box - This caster wheel is so convenient and labor-saving that it is definitely a must-have accessory for rolling tool box owners! With the addition of wheels,you can effortlessly relocate the toolbox without excessive force,making your job much easier! Color:Black Material:Stainless Steel Package Contents: 1 * Toolbox front wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.