PRO Twist by Rino-Tuff pre-measured and pre-cut coils make changing out your trimmer line quick and easy. 5 pre-cut coils are included and already measured to an ideal 16 ft. L， taking the hassle and guesswork out of measuring and cutting bulk trimmer line. Simply insert the pre-measured and pre-cut line into your trimmer head and you're ready to start trimming. The professional grade trimmer line outperforms other lines on the market with greater durability and up to 15% longer runtime for cordless trimmers. The aerodynamic twist shape reduces line resistance and vibration， keeping the trimmer from slowing down， using less battery energy， and cutting more. Scientifically engineered to be more durable and last up to 50% longer than residential trimmer line. Impact modifiers are embedded within the nylon to keep your line from breaking away when trimming against obstacles as often as other products on the market. That means cutting more with fewer stops to get the job done faster.

Professional grade trimmer line

Save time and hassle by having your line already measured and cut for you

Aerodynamic for less resistance， using less battery energy to cut more

Fits all bump feed trimmers

Scientifically engineered to last longer

Used for trimming or edging grass