This document discloses magnetic sewing rulers, cutting mats, magnetic holders and magnetic ruler sewing kits are disclosed that provide tools to securely and easily hold fabrics and other sewing materials in place on a cutting mat for laying out, measuring, cutting, pinning, etc. when engaged in sewing projects. The magnetic rulers, cutting mats, and magnetic holders provide security in holding projects to allow a person to use their hands freely during sewing projects.

A carpenter tool includes a triangular body having a hypotenuse edge opposite a right corner, a first edge extending between the right corner and the hypotenuse edge, and a second edge extending between the right corner and the hypotenuse edge opposite the first edge. A fence is pivoted to the first edge for movement between first and second positions. In the first position, the fence is normal to the triangular body. In the second position, the fence is coplanar to the triangular body.

A carpenter tool including a body having a first edge and a second edge, a bubble level carried in the body, the bubble level having a tubular sidewall terminating at opposed first and second closed ends. The tubular sidewall has a first section and a second section, wherein at least one of the first and second sections is parallel to at least one of the first and second edges. The first and second sections are oriented normally with respect to each other. The first and second sections are joined to each other in fluid communication and partially filled with a fluid and a bubble in the fluid, such that the bubble is enabled to move between the first and second sections freely.