High temperature quenching heat treatment strengthens the overall hardness, making the product more comfortable to use ^^ The product is made of stainless steel material, and the surfaace is electroplated to increase the service life ^^ There is a cushion at the bottom to your desk and equipment from scratches, very practical ^^ Morse communication CW telegraph can be used as physical electricity experimental teaching aids ^^
Package List: 1 x Base; 1 x Spring; 1 x Press Plate; 1 x User Manual