Master Caster Products - Master Caster - Giant Foot Doorstop, No-Slip Rubber Wedge, 3-1/2w x 6-1/4d x 2h, Safety Orange - Sold As 1 Each - For doors with clearances up to 2" from floor. - For commercial and industrial applications. - Bright fluorescent colors attract attention to prevent tripping in small spaces and doorways. For doors with clearances up to 2" from floor. For commercial and industrial applications. Bright fluorescent colors attract attention to prevent tripping in small spaces and doorways.