High Quality Material: Made of high carbon steel (72B, 82B, 60Si2MnA, 65Mn) with oil tempered and black coated finish.
Durable Performance: Minimum 10,000 cycles with +/- 7.5lbs tolerance on target door weight.
Weather Resistant: Steel coils with aluminum cones withstand any weather conditions.
Customizable Design: Available in various diameters (1 3/4" to 6") and customizable by drawings or samples.
Versatile Surface Treatment: Options include white zinc plating, nickel plating, chrome, powder coating, and oil application.
Fast Delivery: Delivery within 3-5 days after order confirmation, depending on quantity.
Flexible MOQ: Accepts small trial orders with no strict minimum quantity requirements.
Comprehensive Warranty: One year after-sale service warranty included.