The M39 thread and the rear part of the lens are made of 3D printed plastic. What's in the box: Lens on M39 thread.
Canon EOS 300V - SLR camera - 35mm - lens: 28 mm - 105 mm / 75 mm - 300 mm
Schwaiger VTF8842 241 Cable Divider Silver - Cable Dividers or Switches (Silver, 58 mm, 28 mm, 55 mm, 0.035 g)
Pyle PHLTB41BK Black Metallic Sonic Electric Toothbrush - Electric Toothbrush (AC/Battery, Built-in, 110-220, 182.9 mm, 30.5 mm, 29.9 mm)
Whirlpool GT 290 IX - Microwave (520 mm, 490 mm, 300 mm) Stainless Steel
metabo KGS 216 M Set 1500 W 5000 RPM - Lawn Mower (97 dB, 104 dB, Alternating Current, 475 mm, 340 mm, 760 mm) Colour
Canon EF-S Zoom Lens 18 mm - 55 mm - f/3.5-5.6 IS MK II