Gear Drive Etching presses incorporate gears to allow operation to be easier and smoother. Available in both the 12×24″ and 24×36″ sizes. Presses featuring a gear drive can be purchased with either a metal or phenolic (thermoset resin) bed. This item/sku is for the metal bed. The gear drive ratios for each of the press sizes with the metal bed are: 12×24″ = 2:1 and for the 24×36″ = 4:1. The size of the metal bed is 7mm steel for the 12×24″ size, and 11mm steel for the 24×36″ size.