Rulers slide in two directions to show item size
Plastic center is the "Dimensionizer" and is made of 3d-printed plastic (PETG or PLA)
Rulers are made of Aluminum and have both inch and metric markings
If you select "Buy @ Harbor Freight" you source them yourself (use store finder)
The kit with rulers ships via UPS.
The kit without rulers ships via USPS.
Keywords: Reseller, Merchant, Seller, Sizer, Measure, Shirt, Pants, Clothing, Dimension, Scale, Inseam, Waist, Sleeve, Double