uxcell 4pcs 1.8-inch Dia Wheel 22mm U Bracket Swivel Brake Caster Black for Crib</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Mounting Hole Diameter: 5mm / 0.2"; Product Name: U Bracket Caster</li><li>Package Content: 4pcs x U Bracket Caster ， Some Install Parts; Weight: 314g</li><li>Material: Nylon， Iron， Zinc Plated; Color: Black</li><li>Dimension: 93 x 73 x 42mm / 3.66" x 2.9" x 1.65"(L*W*H); Wheel Diameter: 46mm / 1.8"</li><li>Clamp Size: 38 x 24 x 33mm / 1.5" x 0.94" x 1.3"(L*W*H); Clamping Width: 22mm / 0.86"</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41Mm5sdrFML.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31y6PHxSoYL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51pZmloEOgL.jpg' noproxy></br>