Drill straight holes every time. The two product v-grooves allow for usage on corners and even cylindrical surfaces too. The inserted solid metal guide offers the six common drill diameters: 1/8", 3/16", 1/4", 5/16", 3/8", and 1/2". The ergonomic handy design of DrillBlock fits into the hands with ease and alleviates awkwardness.
Centerlines ensure accurate alignment when drilling into various surfaces
non-slip padding holds the DrillBlock in place while preventing both slipping and marring on wooden work pieces
The two product v-grooves allow for usage on corners and even cylindrical surfaces too