The woodworking circle planning line is clear, small and light, easy to carry;Knob switch, adjustment knob switch can control the clamping length of the penThe pencil compass uses for scribing and marking, Great for making contours and circles.Product item: Circle Pencil compassColour:orangeMaterial:MetalSize: S/LS:Specifications: 25X90cmUnilateral length: 25cmThe maximum radius is about: 45cmWeight: 279gL:Specification: 40X150cmUnilateral length: 40cmThe maximum radius is about: 75cmWeight:381gPackage Contents:1 x Carpenter Pencil CompassesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.