Shank size: 7/16" quick-push
Thread size: 5/8"-18UNF
Fit holesaw: 32-250mm (1 1/4"-9 27/32")
Jiangsu Feida Tools Co.,ltd Houxiang Town Danyang City Jiangsu Pronvice China whatsapp/wechat:+86 15952951787 email:feidachina@hotmail.com
web: www.feidatools.net