The Athena Stylus force Gauge is made from Stainless steel with ABS plastic. It has a white backlight to read the scale properly, it has a 37x37mm platform size.
Tonar Nostatic anti-static inner sleeves (set of 50 pieces) are made of HDPE (High Density Polyethylene). These sleeves are U-shaped (Japanese Style), relatively thin (40 microns) and fit closely around a Mini-LP / 78 rpm record.