The new and improved Bumper Balls Kit (BB1520) from Rack-a-Tiers includes a 1 1/2 and 2 in. model.
Eliminate the chance of your drill bit popping through the drywall! This Rack-a-Tiers Bumper Ball set keeps your drill bits centered and stops them from "bit walking." Rack-A-Tiers Bumper Ball Set helps guide your flexible in-wall drills to their correct location without having them go off course.
This set includes two different sizes that fit most 3/16" shaft drill bits. The two included ball diameters are 1-1/2" and 2".Features:
- No more bit walking
- No more nail hitting
- No more wall patching
- No more carpet replacing
- Fits: 3/16″ shaft auger bits
Drill bits not included