Economy Wing Rule - Birds

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A metal ruler with end stops to aid accurate measuring of wing chords. This 15cm wing rule is two flexible rules riveted together with a universal stop. The reverse side can be used for tail measurements. 1mm and 0.5mm divisions on each side.

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Tyvec A4 75gsm - This fully waterproof paper will tolerate full immersion in water for several years without breakdown. White, non-toxic and recyclable, it is manufactured from compressed finely-spun polyethylene fibres. The paper can be written on with ball pens, felt tips and pencil (4B recommended). Pack of 500 A4 sheets. Not suitable for use in photocopiers.

Estwing 2lb Lump Hammer - These large headed lump hammers are ideal for crushing rock or knocking off large chunks. All Estwing hammers have the steel head and handle forged in one piece, making them unbreakable in normal use. With shock-absorbent, moulded-on nylon vinyl cushion grip. Weight 2lb.

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