Features: 100 percent brand new and effective Replacement shower door roller with 19mm wheel diameter. This shower door roller is easy to make slide movement. Easy Glide substitute shower door roller. Suitable for most shower enclosures, bathe cabins and steam cabin housing. Specifications: Material: 304 stainless steel, brass, POM, nylon and stainless-steel screw (M4) Dimensions: 19mm(diameter) by means of 5mm(thickness) 9mm diameter of the metal boss and its projection is 3mm. Rollers are internally threaded. Color: White&Gold Net Weight: 8g Package includes: 1 x Shower Door Roller 1 x Screw