Standard design Compatible with all standard series handcuffs Made of head treated stainless steel and designed to provide an idefinite period of service Another outstanding innovation from Zak Tool, this amazing extension tool with key and swivel handle makes an outstanding addition to your law enforcement gear.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }