Constant Force Spring Kit Bearing Molded hard Nylon rollers

Molded hard Nylon rollers

25mm bearing

This shaft comes in lengths of 36 inches so you can cut them down to the size you need

See the tutorial video below to understand how these work with the Thrifty Bumper Corner Bracket Kit

Constant Force Spring Kit Bearing Molded hard Nylon rollersOverall kit weight: 9. 5 oz or 0. 60 lbs This kit provides enough hardware to mount your constant force spring to your elevator structure. Includes a 16. 5 pound 48" inch travel constant force spring, 2 solid aluminum brackets and assorted hardware. Constant Force Spring Kit (1 2 kits per elevator) QTY TTB ELEV SPRING Constant Force Spring Holder 2 ELEV SPRING 001 Constant Force Spring 50" Travel 16. 5 lbs 1 ELEV SPRING 002 Constant Force Spring Spool