Ultra Thin Shaft - Only 4mm Thick, Will get into the narrowest of openings. Strong Magnet will lift upto 100g. 400mm Long Flexible Shaft. Soft grip Precision handle. 4mm Diameter head, suitable for use in cylinder heads, Spark Plug and glow plug apertures. Great for clearing metal swarfs etc from confined areas. Sealey Tools is one of the largest suppliers of Garage and Workshop equipment in the UK with a vast range of Quality Tools and accessories. We are dedicated to ensuring the highest possible quality service to our customers.