Abstract: Disclosed is a tool holding device capable of being clamped to a rail and holding a tool. The tool holding device comprises a primary body, a secondary body and a fastening mechanism. The primary body comprises a tool receiving portion configured to hold a tool; a first arm and a first plate peripherally integral with the tool receiving portion. The first arm is perpendicular to the first plate. The secondary body comprises a second plate and a second arm integral with the second plate. The second arm is perpendicular to the second plate. The fastening mechanism enables in fastening and clamping the primary body and the secondary body with the rail therebetween such that the first arm and the second arm clamps opposite sides of the rail for firmly clamping the tool holding device to the rail.

Abstract: A ladder-cart for transporting materials has a storage portion with a substantially horizontal area for placing the materials theron. It has a frame having a plurality of support members connected to the storage portion to secure the storage portion above ground level. A plurality of wheels are attached to the frame for engaging the ground and a ladder portion comprising a plurality of steps is integral with the frame.