we make some C clamp for our next project. so we make metal clamp for custom work. we use 3\4 inch square metal tube 150x10 mm hexbolt a washer we use 2mm thick and 25mm in diameter we also use a counter washer and the last one is 5mm steal rod for any suggestion plz your comment below. thanks for visit our channel. ALSO WATCH OUR PREVIWES VIDEO click to the link below.. TOOLS BOARD VIDEO ..https://www.youtube.com/watch?v=KHFJvB44W8I&t=182s JACK RESTORATION VIDEO ..https://www.youtube.com/watch?v=OvSa9S44KzQ&t=163s HAMMER RESTORATION VIDEO ..https://www.youtube.com/watch?v=Wcs3Kr7R9sI&t=573s WORK BENCH VIDEO ..https://www.youtube.com/watch?v=YKA1db1OaZo&t=91s HONDA CD 70 COVER..https://www.youtube.com/watch?v=_yNOkGz41hw SHORT VIDEO ..https://www.youtube.com/watch?v=dut78FsPpqo SHORT VIDEO..https://www.youtube.com/watch?v=v4bOZdlffMM GO TO SUBSCRIBE OUR CHANNEL https://www.youtube.com/channel/UCU5O7uO6xc_OGV1mF2AefXw?view_as=subscriber INSTAGRAM https://www.instagram.com/zunboor_engineering/ TWITTER https://twitter.com/ZunboorE FACEBOOK https://www.facebook.com/zunboor.mip.9