Professional core drill extension shank for commercial or occasional use 300mm core drill extension shank SDS extension shank Designed for use with standard drills as well as SDS Plus pneumatic hammers Ideal for light and medium density bricks, blocks and masonry Comes complete with 300mm core drill, pilot drill and extension rod Suitable for use with most core drills Ideal when you need to core (drill) a deeper hole Manufactured from steel for maximum strength and durability 300mm total length so ideal for access in restricted or deep set areas or for use with wider blocks SPECIFICATIONS • Core drill extension shank • Total length – 300mm • Thread size – M22 x 2.0 • Suitable for use with SDS plus machines • Ideal for – light and medium density bricks, blocks and masonry • 3/4in shaft • Precision made • Manufactured from steel