Assorted Spacers

This is a pack of spacers in assorted sizes. Each is 30mm long, and I have included versions for #4, #6, #8 and 1/4" screws or bolts. I have sized them so that they fit tightly enough to actually more or less thread a screw or bolt when printed on typical 3D printers, but under any stress they WILL strip. If you want ability to thread screws or bolts into these with a STRONG grip, then I recommend scaling the width and depth down by say 99%. Any more than that, and you'll risk cracking the space