Steel Lust CuffsExperience the joys of restraint with these quality surgical steel cuffs. Build to last and beautiful to view just imaging your slave tressed up with these dazzling beauties. Approximate MeasurementsMediumCuffs diameter: 53mmCuffs thickness: 8mmCuffs depth: 39mm LargeCuffs diameter: 68mmCuffs thickness: 6mmCuffs depth: 40mm