Amtech G3750B 2 Piece 30m (100ft) Chalk line kit

Amazon

STRAIGHT LINES: This builder's chalk kit is designed for marking straight chalk lines on grass, earth, concrete, asphalt and tarmac CHALK INCLUDED: The lightweight aluminium body encloses 30m (100ft) of self-chalking line reel and is supplied with a 50g bottle of high visibility chalk powder, Weight: 0.3968320716 Pounds, Manufacturer: DK Tools

Zoro Tools

STRAIGHT LINES: This builder's chalk kit is designed for marking straight chalk lines on grass, earth, concrete, asphalt and tarmac. CHALK INCLUDED: The lightweight aluminium body encloses 30m (100ft) of self-chalking line reel and is supplied with a 50g bottle of high visibility chalk powder.

Cazaar

The Amtech chalk line and powder set is perfect for marking straight chalk lines. It features a lightweight aluminium body with 100ft of self chalking line, the high visilbilty chalk powder comes in a plastic bottle and it has a 30m line reel.

ManoMano

Lightweight aluminium body with 100ft of self chalking line. Chalk powder in plastic bottle. For marking straight chalk lines.