Part#: GH-225D-CK Equivalent to a (DE-225-U) *If you plan to use this clamp for metalworking we recommend using our GH-225D-CKBS for a clamp and mounting block assembly allowing you to use this clamp on multiple fixtures thanks to our patented mounting block. Wrench Free, designed for metalworking. Download CAD STP File Includes: Horizontal Clamp (GH-225D) 5/16" Alum. Thru Knob 5/16" Internal Threaded Bolt Retainer Carriage Bolt 5/16" X 3.00"lg. Great for Welding Fixtures , Check Fixtures , Assembly Fixtures , and the list goes on. Making an “Out Of The Box”, “Plug and Play”, “Ready To Go” Clamp System that you just: Pull the clamp from the bag Put it in the position you want Secure in position And you are good to go! *We find this best to use with parts that get very hot or need to be held with more force. Specifications: 500 lbs. Holding Capacity Horizontal Handle. Weight: .059 lbs. Bar opens: 90 deg., Handle 65 deg. 5/16" Open Arm or U-Bar , Style of Toggle Clamp. Flanged Base for easy Bolt on application.