Festool 201352 Domino Connector Double Bolt Sv-Db D14/16X

Domino connectors – wood joining, simple, Quick, stable and detachable. The double-headed bolts can be Clipped using 2 Dowel half-shells or (as shown) with 4 Dowel half-shells – depending on the required alignment and transverse load transmission.
Fast – quick and simple machining processes for Rapid assembly of flat and corner joints. Allowing for Rapid building, moving, and reassembling of large pieces.
Stable – based on the domino mortise-and-tenon principle, joints benefit from the design of the oblong mortise, mating tenon and the knockdown metal fastener is Robust with high connection strength.
Flexible – connect frames, panels, tops, and other large joints and pieces and easily disconnect and reconstruct as needed.