adjustable buckle

adjustable buckle high intensity:metal card hardeningtreatment,stretching resistance increases by 20% proper materials:synchronus belt can preset a pinhole,and protect from broken stitches. mellow corner can save you from the concern of hangling yarn. Various colors like silver,golden,gun-black etc. can be provided. Main technical parameters: cutting sleeve:length:21mm width:24mm height:9mm thickness of the leaf spring:0.33-0.36mm thickness of the main material:0.72-0.80mm pin:thickness:0.60-0.72mm synchronus belt:heat resistance:170°C/10 minutes cold brittleness endurance:-30°C/24 hours quiet tensile of module:≥18kg Our organization of production is firmly in accordance with ISO9001-2000 National Quality Management.And ouraccessories are the appointed products of the police uniform in supreme court and Ministry of Public Security.