Product Description: A squaring and guiding device having a levelling indicator and an elongate guide portion that centres, aligns and constrains the Thor Helical Super-7 Warm Roof Nail vertically upon the centre line of the counter batten to rafter arrangement.
Material: Delrin ® with Acrylic phial
Sizes: Suits all Super-7 Warm Roof Nails for 38mm and 50mm wide battens.
Availability: Leviat Limited, President Park, President Way, Sheffield S4 7U
