Made of metal material, sturdy and durable to use.Easy to install, having advantages of smooth surface and exquisite workmanship.Clean the before installing.Item type: electric replacement cutter brac more→ketCompatible with: for 30B /30S /31B /31S /51B /51SFor all 51S models including:Type: 5643, 5644, 5645, 5646, 5647, 5649, 5751, 5757, 5758Model NO: 8970, 8975, 8985, 8986, 8987, 8990, 8991, 8995,8595, 8795, 8581, 8583, 8585, 8588, 8590, 8781, 8783, 8790, WF1s,510, 550, 560, 570cc, 590cc,530s-4, 550, 550s-3, 550s-4, 550cc-4, 560, 560s-3, 560s-4, 565cc-4,570cc, 570cc-3, 570cc-4, 590cc, 590cc-3, 590cc-4, 8385 C&R,8374, 8377 - Series 5, ContourProItem Type: Bladecolor:SilverMaterial:Plastic+metalPackage …