[material] 304 stainless steel            
[color] stainless steel color            
size: manacle high 22mm* thickness 5mm inner diameter 65*53mm, shackles high 22mm* thickness 5mm inner diameter 87*72mm, collar high 22mm* thickness 5mm inner diameter 135mm, collar to the foot handcuff chain length about 120cm, handcuff chain length approximately 5cm, foot handcuff chain length approximately 36cm.