ratchet f clamps for welding

{"cid":"91225147","title":"40mm 45mm Fixture Clamp Ratcheting Quick Release F Clamp For Welding Table Positioning","imgUrl":"https:\/\/img.chinax.com\/nimg\/0f\/c8\/b849ffb61eae8b077a927021d1fb-200x200-1.jpg","attrs":{"Price":"1-100 USD","Brand Name":"LEMAR","Model Number":"WFC-28-120","Minimum Order Quantity":"1","Delivery Time":"7-10 work days","Certification":"CE","Place of Origin":"WUXI","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Supply Ability":"500 units\/month","Packaging Details":"60cm\u00d740cm\u00d730cm","Base Insert Size":"16\u00d716 \/ 28\u00d728 (matching grid hole pitch)","Overall Height (Embedded)":"35 \/ 40 \/ 45","Max Clamping Force":"8 \/ 10 \/ 12 (matching clamping range)","Repeat Positioning Accuracy":"\u2264 0.05","Ratchet Gear Ratio":"1:5 (5 clamping strokes per full ratchet turn)","Operating Temperature Range":"-20\u00b0C ~ 150\u00b0C","Service Life (Min)":"50,000 clamping cycles","Corrosion Resistance":"Pass 48-hour salt spray test (no obvious rust)","Clamp Body":"High-carbon steel"}}