·Drop forged and heat-treated Chromium vanadium steel construction，
·Black Oxide finish resists corrosion； 

·Precision-machined slide jaw and worm gear allows for
exact fastener fit and smooth adjustment; 

·Quick fit jaw opening guide with permanent laser-etched size markings. 

Iitem No	H05A121	H05A123	H05A125	H05A127
Size	6"	8"	10"	12"