Imperial 82679 Aircraft Extension Drill Bit, 5/16" Caulk Accessories It has a single 110/120

It has a single 110/120 Volt AC outlet with a swivel head

Mounting Type : Wall

rechargeable NiCd battery

3/4" x 4-3/8" stainless steel boat snap

exterior concrete and masonry surfaces

Imperial 82679 Aircraft Extension Drill Bit, 5/16" Caulk Accessories It has a single 110/120Aircraft extension bits are used for drilling holes in hard to reach places because of their 12" length. National Aerospace Standard 907 type B, type A243 specifications. The 135 split point eliminates the need for center punching. This drill bit will not "wander", not even on curved surfaces. Shanks are spring tempered to prevent bending. Jobber length flutes. Highlights: Drill Size: 5 16" Overall Length: 6. 0000" Shank Type: Spring Tempered Decimal