Feature: 1. Made of fine quality steel material, sturdy, high strength and high toughness, it is very convenient and practical. 2. Small size, compact enough to carry in your pocket, you can take this corner chisel anytimes and anywhere. 3. A must-have for hanging doors, this spring loaded corner chisel is more efficient than a hand chisel, and works quickly to ensure that corners are perfectly square. 4. This handy tool creates a 90 degree square corner when simply placed on any corner and tapped with a hammer, high accuracy and high precisions. 5. This corner chisel is applied to cut square mortised door hinge recesses, square off mortises for frames, box tops, lids, doors and flip up drawers etc. Specification: Lock slot for hinge corners and wood products. High precisions chisel, automatic alignment, to achieve the perfect accuracy. Features: Made of fine quality steel material, sturdy, high strength and high toughness, it is very convenient and practical. Small size, compact enough to carry in your pocket, you can take this corner chisel anytimes and anywhere. A must-have for hanging doors, this spring loaded corner chisel is more efficient than a hand chisel, and works quickly to ensure that corners are perfectly square. This handy tool creates a 90 degree square corner when simply placed on any corner and tapped with a hammer, high accuracy and high precision. This corner chisel is applied to cut square mortised door hinge recesses, square off mortises for frames, box tops, lids, doors and flip up drawers etc. Specifications: Color: blue, silver, gold, black (optional) Material: alloy steel Package size: 80 * 48 * 30mm / 3.2 * 1.9 * 1.2in Package weight: 134g / 4.7ounce Packing List: 1 * Corner Chisel Package List: 1 * Corner Chisel