Uxcell Bore Silver Tone Plain Sleeve Bearing, 4mm x 15mm x 18mm x 16mm Product Name : Bearing Sleeve; Total Size : 15 x 18 x 16mm/0.6" x 0.71" x 0.63"(LODID) Material : Metal Color : Silver Tone Weight : 23g Package Content : 4Pcs x Bearing Sleeve