Get superior holding power with Buildex E-Z Ancor Toggle Lock 100 lbs. Pan-Head Philips Heavy Duty Self-Drilling Drywall Anchors with Screws (10-Pack). These anchors are designed for heavy-duty ceiling or wall applications such as installing shelving, mirrors and pictures. No pre-drilling required. Install with only a #2 Philips screwdriver and #8 x 2-1/2 in. screws (included).