$3.20 USD
Large Alligator Clip, 4 pieces, nickel plated steel M3x0.5 threaded barrel, 11mm jaw opening These alligator clips have a M3x0.5 threaded barrel, that is designed to work with the PCBGRIP...
$1.25 USD
M3 x 0.5 Nut, stainless steel Sold in packages of 25 pieces These nuts will slide into the OpenBeam, allowing you to attach parts where you need them.
$9.85 USD
M3 x 0.5 Thumb Nut, stainless steel Sold in packages of 25 pieces 7mm diameter head