Made of Polyoxymethylene (POM), also known as acetal, polyacetal, and polyformaldehyde, is an engineering thermoplastic used in precision parts that require high stiffness, low friction and excellent dimensional stability.
5/8" Dimension 1 1/32" x 3/4" x 3/8" (26 mm x 20 mm x 9 mm)
3/4" Dimension 1 1/16" x 1" x 7/16" (27 mm x 25 mm x 11 mm)
1" Dimension 1 17/32" x 1 1/4" x 7/16" (39 mm x 31 mm x 11 mm)
1 1/2" Dimension 2 1/8" x 1 3/4" x 7/8" (54 mm x 45 mm x 22 mm)
2" Dimension 2 15/16" x 2 7/16" x 3/4" (74 mm x 61 mm x 19 mm)