1Smooth plain surface. 2Durable in sea water and does not rust, corrosion resistance. 3Free to match and convenient and easy to use. 4Quick release design ensures quick and convenient operating in emergency. 5Great for snorkeling, scuba diving, water sports, sailing, etc. Features: Smooth plain surface. Durable in sea water and does not rust, corrosion resistance. Free to match and convenient and easy to use. Quick release design ensures quick and convenient operating in emergency. Great for snorkeling, scuba diving, water sports, sailing, etc. Specification: Material: stainless steel Color: silver Size: Approx. 7.1*5.5*1.3cm / 2.8*2.17*0.51in Weight: Approx. 91g Package List: 1 x Belt Buckle