Some of the individual masses with hook are available to be sold individually.
Made of Brass. Some may be nickel plated as shown in the image. 500g and 1000g masses are made of steel and are painted black.
If you need masses with hooks on both sides please use the product code 3422.
You may also buy a complete set of masses with hooks. This is listed as Masses with hooks, set of 9 with product code MASSET9H. This set also includes a holder.