Cranked slogging ring wrench,slugging spanner 
matetial:carbon steel
size:
5/8",11/16",3/4",13/16",7/8",15/16",1",1-1/16",1-1/8",1-3/16",1-1/4",1-5/16",
1-3/8",1-7/16",1-1/2",1-5/8",1-11/16",1-3/4",1-13/16",1-7/8",2",2-1/16",2-1/8",
2-3/16",2-1/4",2-3/8",2-7/16",2-9/16",2-5/8"
detail information:
We are specialized in manufacturing all kinds of non sparking tools,special tools,and antimagnetic tools.
Non sparking tools can avoid rise sparking when tools strike,rub,collide with target in explosive atmosphere or flamble vapours .they are wide used in petroleum industry ,chemical industry ,power generation,railroad,mining,etc.
They are passed ISO9001 and UKAS.
please kindly sent me an offer,then i will give you a quotation with best price.