Hardened square link chain with a black nylon sleeve Sold Secure bicycle GOLD and motor scooter SILVER approved Flexible polyester black sleeve for added protection Riveted at each end to keep it in place Hacksaw and bolt cropper proof Dimensions (H x W x D): 108 x 7 x 4 cm Blackspur 1m Heavy Duty Hardened Steel Security Chain This heavy-duty square link chain comes packed on a strong plastic tie-on card. It is protected by a transparent, plastic sleeve & is ideal for use as a motorcycle lock or for securing many other things. The chain is heat treated & hardened.