LD-450 assorted plastic and nylon wall plug anchor kit delivers comprehensive multi-size convenience for contractors, workshops, and DIY enthusiasts who require varied plug sizes without maintaining separate inventory for each. The kit assembles 400+ pieces across five plug sizes (5mm, 6mm, 8mm, 10mm, and 12mm) in a single multi-compartment storage box, enabling quick size selection and reducing on-site downtime searching for the correct plug. The color-coding system follows industry conventions: yellow for 5mm, red for 6mm, brown for 7mm, blue for 8mm, with larger sizes in green, orange and black, allowing instant identification without measurement. The multi-compartment storage box features labeled sections with secure latches to prevent plug mixing during transport, keeping each size separated and clearly visible for fast selection. The box construction is durable enough for workshop and job site use, with a transparent or labeled lid for quick stock assessment. Plug materials include a strategic mix of nylon (PA66) for high-load applications requiring superior temperature resistance and PE for general-purpose indoor fastening where flexibility and cost efficiency matter. This mixed material approach provides optimal performance across diverse applications while maintaining cost efficiency. The kit is ideal for contractors handling varied fastening jobs, maintenance technicians serving multiple facilities, hardware retailers seeking a complete assortment display, and DIY enthusiasts who tackle diverse home improvement projects without maintaining individual plug inventory. Cost-effective bulk purchasing via the kit format reduces per-unit cost compared to buying individual plug packs separately, supporting efficient procurement and inventory management. Optional matching screws can be included in separate compartments for plug-and-screw combo convenience. OEM customization options include kit contents selection, custom compartment sizes, private label branding on the box, custom assortment mixes tailored to specific applications, retail display packaging, and custom color storage boxes for branded distribution.