Pony 3-1/2" butt hinge size gauge, Model 9035. Speeds & cuts sharp, clean profiles in doors & jambs for accurate hinge installation. Depth scriber on gauge marks correct depth for mortise.,For California Residents:,   WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov,WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood Pony 3-1/2" Butt Hinge Gauge - 9035