A single size tie-wire version is available for wire supported fixtures

1-8 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated

1-8 x 5 A307A Hex Tap Bolt Zinc Plated

3/4-10 x 4 Flat Socket Cap Screw Alloy

and its jaws open into lock position when placed within a hollow surface

1 x 6 Reduced Shank Drill Bit (1/2 Shank) 7/8-14 Grade 8 Hex Cap Screws Yellow Zinc Plated A single size tie-wire version1 x 6 Reduced Shank Drill Bit (1 2 Shank) . Expands the size range capacity of a 1 2 inch portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials.