Asylum Medical Tool Kit for fantasy play. Wartenberg Wheel with evenly spaced, prickling pins. Solid aluminum instrument with no-slip, ribbed handle. 7.25 inches long with 1.25 inches diameter pin wheel. Taylor Hammer with triangular rubber head 7 inches solid aluminum concave handle. Triangular rubber head measures 2 inches long by 1.5 inches wide by 0.5 inch deep.