9 x 21 hole aluminum structural plate for large area coverage
Large aluminum structural pieces feature 90° angles. Includes: four 13 hole L shaped beams, four 17 hole L shaped beams, & four 21 hole L shaped beams.
A variety of flat heavy-duty aluminum structural parts. Includes: four 3 hole flat beams, four 5 hole flate beams, four 9 hole flat beams, & four 11 hole flat beams
Larger connectors for joining aluminum structural elements while keeping holes aligned
Long aluminum structural beams with long sides bent to 90°. Includes: four 17 hole C shaped beams & four 21 hole C shaped beams
Long structural heavy-duty aluminum parts featuring 90° angles. Includes: four L shaped 21 hole beams, four L shaped 29 hole beams, & four L shaped 37 hole beams