ViaGasaFamido Wheel Marking Gauge Specification: Item Type: Metal ScriberMaterial: Pure Copper + Aluminum Alloy + Stainless SteelPattern: Single-Shaft / Double-Shaft (Optional) Single-Shaft: Total Length: Approx. 205mm / 8.07inHead Diameter: Approx. 44mm / 1.73inRod Diameter: Approx. 8mm / 0.31in Double-Shaft: Total Length: Approx. 183mm / 7.2inHead Diameter: Approx. 51mm / 2.01inRod Diameter: Approx. 8mm / 0.31in Package List: 1 x Carpenter Scriber1 x Withdrawal Tool Still using the old method of scribing? The steps are tedious and prone to deviations that are not accurate Precise line marking One step to adjust the size, fine fine-tuning, pure copper construction Scriber slide bar Stainless steel slide bar is rust and oil resistant for longer life Loose and tight adjustment Loose and tight cutter head replacement can be adjusted with the removal tool Dual-axis scriber Single and dual axis adjustable to meet different needs Single-axis scriber Single-axis adjustment for fine adjustment of distance and precise scribing Note: please note that the new type and old type of this product will be sent randomly,and make sure you will not mind before ordering.