Kraft Tool BC339  Braided Nylon Mason's Line Tube, 500-Feet BC-339 Braided Mason's Nylon Lines 500-feet tube Fluorescent Yellow The 170 lb. test has built in elasticity and eliminates sagging. Braided nylon line on a tube. 500' of braided nylon line 170 lb. test for strength Special braiding process eliminates sagging Abrasion and alkali resistant Made in the USA