High Quality Horse Hair acid brushes, which are double crimped to ensure a secure hold with minimum bristle loss. We highly recommend these acid brushes for anyone looking for a reliable brush to apply glue, solvents, adhesives, soldering and many other application processes. They have an overall length of 5-3/4”, which gives you the ability to get into tight spaces easily. 5 per pack. 1 lbs (0.5Kg) shipping weight.