Quick view Red Head 3/8" x 1 7/8" Hex Head Sleeve HN3817 (Box of 50) Sleeve type anchors feature a split expansion sleeve over a threaded stud bolt body and integral expander, nut and washer. Anchors are made of Plated Carbon Steel, or Type 18-8 Stainless Steel. Box of 50 Please allow 1-2 business Days MSRP: Was: Now: $27.64 Add to Cart