This huge four-sided replacement insert perfectly fits the GlenDel Buck (444861). By rotating the insert within the body of the target, you get four inserts in one. Each insert side features a different vitals facing. In addition, the vitals on each side are offset from one another so you're never shooting into the same area of foam. The Buck Insert insert features PolyFusion Technology, fusing polyurethane and polyethylene to increase durability and offer easy arrow removal. The Buck Insert is designed to take any tip, including field tips, broadheads, and expandables. 11" x 11" x 11".