round head: 

35mm:small head 10.5mm  big head 35mm height 63mm  length of handle 275mm weight 0.26KG

40mm:small head 13mm  big head 40mm height 68mm  length of handle 300mm weight 0.36KG

45mm: small head 16mm  big head 45mm height 75mm  length of handle 330mm  weight 0.53KG

Flat head:

35mm:small head 21mm  big head 35mm  height 55mm  length of handle 275mm weight 0.23KG

40mm:small head 26mm  big head 40mm height 60mm  length of handle 300mm weight 0.35KG

45mm:small head 28mm  big head 45mm height 64mm length of handle 330mm weight 0.45KG