HEAVY DUTY PRODUCT – Vulcanforce handcuffs have been made with the best quality material that is serviceable under all conditions. Made with toughest grade steel, these handcuffs can perfectly withstand weight, force and twisting in every direction. No matter how powerful the person is, you can easily trust this product to do its job. DOUBLE LOCK – If you are a professional security, you have a really serious routine going on. In all this haphazard routine you need to be all prepared for any kind of situations. Our hinged handcuffs are equipped with a double lock advanced design, ensuring a tight and secure grip. No matter how much your prep struggles, the black handcuffs will cause no discomfort or tightening for you. RUST RESISTANT – The premium black finish of our product makes it protected from rust and unusual weather conditions, making it a durable product. The elegant black finishing not only make the handcuffs rust-resistant but also gives them an intimidated look. With the steel strength and covered protection, these handcuffs are ready for all serious business! DURABLE – Vulcanforce ensures the best quality material reaches their customers, with that in mind these handcuffs have been made to outlast the best of the handcuffs you may have bought. We have made these handcuffs using the best retaining material to ensure a long-term partnership between our customers and our product. MULTIPURPOSE – Made with high-quality and durable material, these handcuffs have limitless utilizations. You can use them for professional business if you are a security officer. Not just that, the easy mechanism and secure design makes it suitable to be used by ordinary citizens as well who are just concerned about their own safety in dangerous situations.