Set guide for holes within a range of 1" to 3-1/4"apart. Slotted bar has measurements in both English and Metric. Metal construction with harden steel sleeves for long lasting durability. Includes 5/32"allen key for securing position.
Requires a 3/8-inch Diameter step drill bit. Sold separately below.
Step Drill Bit
Used with guide for drilling 3/8-inch pocket holes and 3/4" deep by 3/16-inch diameter pilot holes in one step. Use in 3/8" diameter bushing only as comes in guide above.