The Mac Eco Pack puts 500 Mac Ultra-Smooth needles in a single box with an individual guide tube for every needle. It's the same extra-long Japanese-style coil handle and surgical stainless steel shaft as the standard 100-count, at a per-needle price that makes volume ordering practical. Color-coded for fast size identification, 5 needles per easy-open blister flat. Key Features Extra-long Japanese-style coil handle (silver, smooth top, no loop) Surgical stainless steel shaft Individual guide tube for every needle, color-coded Easy-open blister packaging, 5 needles per flat FDA 510(k) listed Sterile, disposable, single use Ideal For Mac Ultra-Smooth users who want to buy in volume Practitioners who require individual guide tubes at a bulk price Multi-practitioner clinics standardizing on a single needle line Specifications Shaft: Surgical stainless steel Handle: Extra-long coil, smooth top (no loop), silver Guide tube: Individual per needle, color-coded Packaging: 500 sterile needles per box Certifications: FDA 510(k) listed