Specification: - Material: Aluminum alloy - Clamping range: 12-42mm - Pocket hole diameter: 3/8' Features: - Heavy Duty Aluminum Alloy: Features a well-balanced aluminum frame to ensure a reliable woodworking support base in shops or garages. - Stability and Versatility: Includes additional side supports and stop blocks that adjust laterally to the exact width of your desired measurement, providing more stability and versatility to your pocket-hole cut. - Dust Spout Connector: Easily capture loose debris, particles, and sawdust while creating your pocket holes with our dust port system to reduce allergens in the air for dust-free drilling. - Adjustable Depth Setting: Features an easy drill depth knob to quickly adjust to the thickness of the wood to avoid damage, splinters, or splits. - Advanced Hole Precision: Create perfect woodworking holes, repair wood joints, and accurately pre-drill pilot holes at the right angle before connecting wood boards. Package Included: - 1 x Pocket Hole Jig - 1 x Portable Base - 1 x Stop Block - 6 x Extension Rods - 2 x Positioning Block - 1 x 9.5mm (3/8') Drill Bit - 1 x SQ2 Screwdriver Bit - 1 x Stop Collar