
Knob Door Lock (Door Lock, Cylindrical Door Locks) (588-PC). Versatile Backset Options: Available in 60mm and 70mm backsets to fit various door standards. Multiple Finish Choices: Offered in Satin nickel, chrome, antique brass, and polished brass. Durable Material Construction: Constructed from iron, brass, or zinc alloy for long-lasting performance. Wide Door Thickness Fit: Accommodates door thicknesses ranging from 35mm to 55mm. ANSI Grade 3 Quality: Meets ANSI Grade 3 standards for medium-grade commercial and residential use. OEM Branding Support: Original Equipment Manufacturer branding is welcome for custom orders. Fast Delivery Time: Standard delivery within 30 days after order confirmation. Flexible Payment Terms: Accepts T/T with 30% deposit, balance against B/L copy, or L/C at sight.