1, Material: steel 2,Surface Finish: zinc or without surface finish 1, Name: Round or Square Shaper Spring Washer2, Material: steel3,Size: 13MM,16MM,20MM,25MM4,Shape: Round shapre or Square Shape5,Nail Type: with Nail or Without Nail6,Color: white or black7,Surface Finish zinc or Nickel or Without Surface Finish (Natural color)8, Samples free Round or Square Shape Spring Washer S042