This pocket hole jig kit creates pocket holes at variable center distances for a range of material thicknesses. Hardened steel drill guides achieve maximum precision for pocket holes. This pocket hole jig kit mounts securely to your workbench or can be used as a portable unit from job to job. - Variable center distances for a range of material thicknesses - Fixed toggle clamp with position adjustments - Hardened steel drill guides for maximum precision - Use as a portable unit or mount to bench - Anodized aluminum jig body