Automatic Center Pin Punch Spring Loaded Marking Starting Holes Tool Heavy Duty PACK:2 PCS Just put the fill-light clamp

Just put the fill-light clamp over the cell phone

and any inflatable equipment

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Frame material: Powder-coated steel

Automatic Center Pin Punch Spring Loaded Marking Starting Holes Tool Heavy Duty PACK:2 PCS Just put the fill-light clampDescription: Simple and accurate to use Knurled handle prevents slipping Gives precise starting point on steel and other solid materials Allows you to easily mark work using one hand prior to drilling which will prevent the drill from slipping Automatic spring loads then releases at top of cycle with force to create centre punch(No Hammer Needed) Spring pressure can be adjusted by simply rotating the knurled top of the punch Automatic design cleanly