Iron Hammer 4 Kilo 4 Kilo Iron Hammer. Lathe turned to perfect balance. Manufactured right 25 years on. Your 100% satisfaction guaranteed. Conforms to IAAF Rules. It is effective and will never wear out. Includes premium quality stainless steel swivel, wire, and handle. Ships day of order. Right size, right weight, right feel, right price. Does not come assembled as shown in the picture.