Milescraft 1312 Drill Block - Handheld Drilling Guide, Drilling Jig with Drill Guides for 6 of the Most Common Drill Bit Sizes, Precision Drilling Tool Accessory

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.