8pcs H4 Hex Screwdriver Bit 4mm 1/4" Hex Shank Magnetic Power Drill Bits 1/8" OD x 24.6Ft x 1/64" T Shrinking rate: 48%(cross section)and 8%(longitudinal)Heating

Shrinking rate: 48%(cross section)and 8%(longitudinal)Heating tool:hot air gunApplicance:used for 18650 Battery square packaging

for Opel CORSA 1998 - 2000

Can be used for new beds or repair of existing wood frames

Inner Diameter 5: 15

Thread Length: 28mm / 1

8pcs H4 Hex Screwdriver Bit 4mm 1/4" Hex Shank Magnetic Power Drill Bits 1/8" OD x 24.6Ft x 1/64" T Shrinking rate: 48%(cross section)and 8%(longitudinal)Heating1. An excellent replacement for lost, bent or broken hexagon screwdriver bits. 2. Made of S2 alloy steel, which is a high hardness material commonly used in hardware. The magnetic tip can easily hold the screw when in use. Exquisite workmanship, each edge can accurately lock the screws without damaging the screws and the screwdriver bit. 3. Widely used in DIY hand making, household appliances, precision instruments and most general repairs. 4. Can be