"12.7*3.8cmFeatures and specifications:Material: stainless steel double-sided mirrorWithout tools or glue3D metal model is very precise， depending on the complexity of the model， metal assembly work takes 30 minutes to several hours to complete， so when in assembly， please do not impatient， be patient Oh， small parts must be used pliers to clamp down one by one， can not directly use the hand to break， otherwise easy to cause the operation of parts fracture"