Features 【Equipped with a Spring】Depth Screwdriver Holder is equipped with a spring to adjust the depth of screw hole flexibly, comes as 1 x Limiter and 12 x Screwdriver Bits 【Knurled Anti-slip Design】Adjustable Depth Screwdriver Bit is desined with knurled anti-slip design, not easy to slip, convenient to use, enables to sufficiently countersink and counterbore screw heads precisely into any panel products 【Work with Screw Bits of 6.35mm Shank Dia】Depth Screwdriver Bit Holder work with screw bits of 6.35mm shank diameter, built-in magnet makes operation easier 【Good Chrome Vanadium Steel】Adjustable Depth Screwdriver is made of chrome vanadium steel material, which is high hardness, wear-resistent and rust-resistent, ensuring long service life 【Widely Applicable】Depth Screwdriver Bit can be used for plasterboard, floor, wood board, plywood, density board, etc Specification: Material: Chrome vanadium steel Bits Shank Diameter: 6.35mm (1/4") Bit Length: 25mm Limiter Length: 65mm Package Weight: Approx. 152g / 5.3oz   Features: 【Widely Applicable】Depth Screwdriver Bit can be used for plasterboard, floor, wood board, plywood, density board, etc 【Good Chrome Vanadium Steel】Adjustable Depth Screwdriver is made of chrome vanadium steel material, which is high hardness, wear-resistent and rust-resistent, ensuring  long service life 【Work with Screw Bits of 6.35mm Shank Dia】Depth Screwdriver Bit Holder work with screw bits of 6.35mm shank diameter, built-in magnet makes operation easier 【Knurled Anti-slip Design】Adjustable Depth Screwdriver Bit is desined with knurled anti-slip design, not easy to slip, convenient to use, enables to sufficiently countersink and counterbore screw heads precisely into any panel products 【Equipped with a Spring】Depth Screwdriver Holder is equipped with a spring to adjust the depth of screw hole flexibly, comes as 1 x Limiter and 12 x Screwdriver Bits   Package List: 1 x Limiter 12 x Screwdriver Bits Package List