1st, 2nd and 3rd place at the 2001 World Championships, 1999 World Championships and 1998 Asian Games! The complete line of Stackhouse shot puts were used at the 1996 Olympics and you too can count on award winning performance from the Stackhouse Brass, Stainless and Turned Iron shot puts. Stackhouse implements meet all IAAF, NCAA and High School specifications. The are on the approved list for use in all national and international competition. The Complete line of turned iron specific diameter shots are ideal for the advanced thrower looking for the shot that fits their handgrip just right. The line of standard shots meets all official specifications and are ideal for practice and meets. High Quality stainless steel shots are lathe turned to a perfect sphere and are designed for world class competition. To order an Online Sports Custom Vinyl Shot Discus Bag, click here . Shot Competition Specs Women from High School through age 49 4.0 kilo. Women age 50 plus 3.0 kilo.