The Hultafors CLP30 Chalk Line has a 30m line metal crank and quick gear function 31 The housing is made from ABS plastic has a big opening for refilling and a cap with bayonet joint and contains up to 100g of chalk The line is braided cottonpolyester with high absorbing chalk capacity and considerable increased numbers of distinct lines - up to 10 lines The crank is fitted with an ergonomic release button and knob It can be locked in the open and closed position The cap is secured by the hook no line is left hanging loose There is also a secure strap function