- Screws For Sectors, Straight, Stainless Steel, Mini. - Expansion Screws, Stainless Steel, Mini. - Stainless steel with cone-shaped expansion screw holder. - Skeleton design. - Holes in the body of screws for better retention in acrylic. - Built-in stops prevent screws from coming apart. - With expansion screw key straight, small – standard. **For further product information, please contact Chat Support**