The use of a 'speedline' is becoming more and more prevalent as a means to improve efficiency on the job - here's the latest ISC promo video showing how to tension the speedline using a 5:1 mechanical advantage system.
The use of a 'speedline' is becoming more and more prevalent as a means to improve efficiency on the job - here's the latest ISC promo video showing how to tension the speedline using a 5:1 mechanical advantage system.