Work smarter with the Alpha Pro Drive angled driver attachment Designed for maximum access in tight areas, Pro Drive accommodates up to 36 different positions High speed industrial bearings make the attachment suitable for power & air drills, up to 20,000 RPM Heavy duty metal housing & steel gears for extended life 105º angled head for a more ergonomic user experience Compact head design measures in at just 58mm, allowing maximum access in tight areas Pull & twist collar rotates to 36 stabilizer arm positions 360º rotateable arm locks into position at 0º, 45º & 90º Quick release chuck allows fast attachment change over 12 collar positions Collar rotates 360º in 30º increments