Often known as pig nose or twin gap, this screw head has two spherical holes which might be opposite one another and resemble a pig’s nose. It is a protection-style screw to avoid tampering. You may need a Particular spanner screwdriver for this type of screw head.A mixture travel screw head allows for both of those phillips and flat bladed screw

A class of precision screwdrivers, these are generally drives meant to get the job done with small screws, like Those people you find in eyeglasses or pocket watches. In most cases, jeweler’s sets are a mix of slotted and Phillips sizes.A clutch head screwdriver will likely have far better torque with these heads, Whilst they are created to even