Machined from solid aluminium block. Produces consistently accurate screw joints. Creates holes at a 15° angle. Includes pairs of 6, 8 & 10mm guides. Use pocket-hole plugs to create an invisible joint. Machined from solid aluminium block. Produces consistently accurate screw joints. Creates holes at a 15° angle. Includes pairs of 6, 8 & 10mm guides. Use pocket-hole plugs to create an invisible joint.