Imported Products › GMC Placket Holder GMC Placket Holder from $8.00 Durable, high-utility bracket mount tailored for custom placarded setups. Limit 8 colors maximum per print run selection. Size Scale: Select Size Scale Compact (75%) Standard (100%) Colossal (150%) Filament Style Tier: Select Filament Style Tier Standard FDM (Single Spool / Co-Extrusion Split) AMS Multicolor Premium (Multi-Spool Swap) Add To Cart Added! Durable, high-utility bracket mount tailored for custom placarded setups. Limit 8 colors maximum per print run selection.