54mm Bi-Metal Hole Saw 7010-54 by Bordo Offset Vice They are made from alloy

They are made from alloy steel with either a full polish or satin finish that resists rust & corrosion

the SWITCH PACK System utilises a modular design with backpack straps for the easiest transport to any roof

18V Mobile Compact Recipro Saw DJR183Z by Makita

Supplied in a Protective Metal Tin

Height adjustable cutting scale for increased accuracy and fine adjustment

54mm Bi-Metal Hole Saw 7010-54 by Bordo Offset Vice They are made from alloyBordo bi metal hole saws are premium quality, general purpose saws suitable for a wide variety of materials and applications. The high speed steel cobalt (HSS Co) cutting edge provides shock resistant teeth and resists tooth strippage. 4 6 positive tooth configuration allows for fast, smooth cuts and less vibration. Features: HSS Co Cobalt cutting edge 4 6 variable tooth configuration 48mm (1 7 8") depth of cut 5mm (3 16") thick heavy duty backing