PRECISE SELF-SUPPORTING DESIGN: Achieve remarkable accuracy with the self-supporting trammel set, reducing error margins while scribing and cutting in woodworking projects. UNIVERSAL COMPATIBILITY: Designed to work with steel or aluminium rulers (from 150mm long and up to 50mm wide), this versatile trammel set adapts to your needs. Ruler not included. ADVANCED PERFORMANCE: Experience exceptional marking, mortising, and panel gauging with this trammel set, enabling precise results even in deeper sections of the board. HYPER FINE BLADE INCLUDED: The set comes with a hyper-fine snap-off disposable blade, ensuring a consistently sharp and reliable cutting tool at your disposal. EXCEPTIONAL SCRIBING ABILITY: The high-tolerance scribing and cutting gauge combined with curved line scribing capabilities make this trammel set a must-have for woodworking enthusiasts., Weight: 0.01 Pounds, Manufacturer: Trend