General description High-precision 2 in 1 Pocket Hole Jig Kit designed for woodworking, featuring adjustable drill guides for precise positioning and easy adjustments for drilling height and hole depth. Technical specifications Horizontal adjustment range: 13 - 81 mm Longitudinal adjustment range: 12 - 27 mm Standard specification of drill sleeve: 6 mm / 8 mm / 10 mm / 12 mm Drill sleeve material: stainless steel Meets 6 mm and 10 mm requirements for 2-inch perforations