Description: Strong unlocking envelope kit The powerful unlocking gun features a very powerful spring for easy selection of pin rollers and disc roller locks. It comes with four picking blades and a tension wrench. Material: steel Weight: about 200g Size: about 10.5*10.5cm Note: There is 2-3% difference according to manual measurement. feature: 1. The unlocking practice tool, 2. Brand new stainless steel material, not easy to rust 3.6-piece package, good quality and low price Material: Stainless steel Color as shown Size: length * width * height about 12 * 12 * 3cm Conversion: 1inch = 2.54cm, 1cm = 0.393inches Packing: 1