LJ-3044 - VersaTool Handrail Wrench
This is the "must have" tool for all stair jobs.
Here's why.....It helps locate holes as well as starts and tightens hex nuts onto rail bolts.
It drives 5/6" rail bolts and tightens 1/2" hex nuts.
It can be used to locate 1/4" pilot hole on handrail.
See VeraTool instructions at: http://ljsmith.com/assets/files/pdf/3044Railbolts.pdf
You can also but the product from me on Ebay for $12.99 with shipping.