1.size:8oz,12oz,16oz,24oz,32oz,and 36oz 2..we are the manufacturer in china 3.Good quality and Competitive price SIZEDiameter*HPCSMeasG.W/N.W8oz/300g47*77mm7235*32*30cm26/25kgs12oz/400g54*90mm6035*35*33cm25/24kgs16oz/500g57*97mm4836*34*29cm28/27kgs24oz/750g66*109mm3642*37*31cm28/27kgs32oz/1000g75*116mm2443*36*25cm27/26kgs36oz/1250g77*125mm1245*35.5*18cm16.3/15.3kgs fiberglass hammer handles