Rongpeng R470 Airless Paint Sprayer 3 8 Inch Spring tension on the ball Public access control Spring tension on the ball of the point permits guiding the point to true concentricity bringing perfect alignment between the work and machine spindle Wiggler with Ball Contact is useful in locating work by first bringing the ball contact against the work and then indexing it to the desired position relative to the spindle Wiggler with Disc Contact is particularly useful in locating work in confined areas such as slots or shallow holes Bits for Slotted Heads: 5 7mm Bits for Phillip Heads No: 1 2 Bits for Pozidriv Heads No: 1 2 Total Length: 99mm Supports up to a Product Specs