Plastic wall anchors in a 5‑pack typically hold between 30 lbs and 167 lbs, depending on the brand, size, and wall material. Light‑duty anchors (like Cobra #12) are rated for ~30 lbs in drywall, while heavy‑duty anchors (like TOGGLER 5/16") can hold up to ~143–167 lbs in ½" drywall.