Undercover jig set for wood

A complete set for making invisible joints using wood screws. The Geko set enables to make a precise and stable hidden joint in 3 steps. The main element of the set is a template designed for making precise holes at the right angle. The next step after making the holes is to connect the two wooden elements with the screws of different lengths included in the set. The last stage of work is masking the holes with special oblique pins, and then cutting the circles and sanding the surface.

Product features:

• easy and quick to use


• allows you to make a precise and solid hidden connection


• template for making oblique holes with a dedicated drill


• special HSS drill bit with a diameter of 9.5 mm and a drilling depth stop


• a set of screws and a dedicated tip for the S02 screwdriver with a length of 150mm


• 8 wooden beech pegs to cover the holes


• a set of screws of different lengths

Set includes:

• undercover jig - template for making invisible joints


• 9.5 mm HSS step drill bit, 165 mm long


• depth stop


• 2.5mm Allen key


• screwdriver bit - square S02, 150 mm


• 8x screw-hole covers, beech 


• 8x wood screws 4 x 25 mm


• 8x wood screws 4 x 32 mm


• 8x wood screws 4 x 38 mm


• 8x wood screws 4 x 63 mm