Comparison : Item # 502701, RMP Cylindrical Retaining Magnets with Threaded Hole
Item # 502711, RMP Cylindrical Retaining Magnets with Threaded Hole
Item # 502721, RMP Cylindrical Retaining Magnets with Threaded Hole
Item # 502731, RMP Cylindrical Retaining Magnets with Threaded Hole
Item # 502741, RMP Cylindrical Retaining Magnets with Threaded Hole