Economical Oval Opening Clip — Cost-Optimized Bulk Supply for Price-Sensitive Commercial Projects The YF-TLC-OO delivers professional-grade leveling performance at the most competitive price point in the YiFang clip system. The lightweight 110g-130g per bag options minimize PP consumption without compromising clamping integrity — the material savings translate directly to lower per-unit cost while the 34mm bridge span maintains the clamping coverage required for tiles up to