Wire Diameter
234 243 250 etc
Surface
Black coated / Zinc Coated
Certificate
ISO9001/2008 / CE
Keywords
Black Door Hardware Standard Garage Door Torsion Springs
Application
garage doors , roll up doors
Payment term
T/T 30 % Deposit
Product name
Safety Device Rails Torsion Counterbalance Springs Garage Door Spring
Quality control
100% Inspection 15000 cycles