Profile: Brennan Tools & Fastening Systems is a provider of power tools, fastening and anchoring systems. Our product line includes wedge anchors, power fasteners, sleeve anchors, drill bits, grinding & cutting wheels, sanding belts, hole saws, reciprocating blades, power tools, carbide bits, saw blades, extension cords and step ladders. We also offer electrical tapes, sockets, ratchets, carbide saw blades, diamond blades and work gloves.