28 PCS 1/4 Inch Drive CRV Socket Ratchet Tool Set with Hex Bit Coupler

Our Advantages Product Description 28 PCS 1/4 Inch Drive CRV Socket Ratchet Tool Set with Hex Bit Coupler19 Pcs 1/4"DR.Socket :8-10-11-12-13-14-15-16-17-18-19-20-21-22-24-27-30-32-36MM1 Pc 1/4" DR. Deep Socket2 Pcs 1/4"DR.Extension Bar: 2"4"1 Pc 1 /4"DR.Quick Release Ratchet1 Pc 1/4" DR.Hex Bit Coupler: 8 MM1 Pc 1/4"DR.Flexible Extension1 Pc 1/4"DR.Universal Joint1 Pc 1/4n T-Sliding Bar1 Pc Metal CaseRatchet Socket SetThe ratchet is a popular hand tool that provides the ability to turn sockets, fasteners, and other attachments in a tight space. Featuring a gear mechanism that only allows motion in one direction, the ratchet allows the user to swing the handle back and forth to gradually tighten or loosen whatever is engaged with the socket or attachment.28 PCS 1/4" DR. Socket Ratchet Kit Tool Set19 Pcs 1/4"DR.Socket :8-10-11-12-13-14-15-16-17-18-19-20-21-22-24-27-30-32-36MM1 Pc 1/4" DR. Deep Socket2 Pcs 1/4"DR.Extension Bar: 2"4"1 Pc 1 /4"DR.Quick Release Ratchet1 Pc 1/4" DR. Hex Bit Coupler: 8 MM1 Pc 1/4"DR.Flexible Extension1 Pc 1/4"DR.Universal Joint1 Pc 1/4n T-Sliding Bar1 Pc Metal CaseMain Fastener CoatingTypesApplicationSpray Test HoursCharacteristicsMirror Nickel-platingALL Metal72HoursStableExcellent polishing performanceImprove Wear resistanceWide range of applicationsMatt Nickel-platingALL Metal72HoursBlack Nickel-platingALL Metal48HoursHigh absorption rate of solar energyUsed in solar collector panels.Manganese PhosphateALL Metal72HoursEnhanced resistanceSand BlastALL Metal-Remove paint, rust, and residue scratches or casting marksElectrophoresisALL Metal1000HoursMaintain metallic lusterAnti-corrosion propertiesColor ElectroplatingALL Metal96HoursImprove mental strength Prevent metal oxidation  Steel Material  Chemical CompositionTypesCSiVCrMnNiMoCharacteristicCR-MO0.18-0.230.15-0.35-0.40-0.600.90-1.20-0.13-0.2041xx-series SAE steel gradesExcellent strength-to-weight ratioStronger and harderNot easily weldedCRV0.50.30.180.80-1.100.70-0.90--6000-series SAE steel gradesSuitable for hardeningResist abrasion, oxidation, and corrosionImprove material elasticityS20.40-0.550.90-1.20