MULTI-CORD CAPACITY: Specifically designed for Roman and Austrian shades, holding up to 5 cords with a 2" x 3/4" base. UNIVERSAL STRING SIZE COMPATIBILITY: Accommodates a variety of string sizes (1.4mm 1.6mm 1.8mm 2.0mm 2.2mm). DURABLE MATERIALS: Crafted with high-quality brass and plastic for lasting performance. OPTIMIZED FOR BOARD-MOUNTED SHADES: Ideal for both board-mounted Roman and woven wood shades. RELIABLE MECHANISM: Our advanced locking mechanism has undergone continuous refinement for optimal reliability. This purchase comes with two (8 qty.) cord locks Enhance your window treatments with our Amazing Drapery Hardware Large Cord Locks (8-pack), expertly designed for Roman and Pleated Shades. Each lock is equipped with two brass wheels, ensuring smooth operation and durability. These locks are specifically engineered to handle up to 5 individual lift cords, ranging from 1.4mm to 2.2mm in thickness. The robust brass and plastic construction guarantees longevity, making it a reliable choice for your shades. Our cord locks feature a straightforward pull mechanism – pull to one side to engage and to the opposite side to disengage. Note that for optimal functionality, there must be tension on the cords. Also, these cord locks are designed to be the leftmost or rightmost mechanism in your headrail, with all cords entering from the same direction. This product is particularly suitable for board-mounted Roman and woven wood shades, offering versatility and ease of use. Upgrade your shades today with these high-quality, easy-to-install cord locks.