B L Paintstik® Solid Paint Marker, 11 16 in dia, 4.25 in L, Blue no checkout with no slipping or stripping Provides with no slipping or stripping Provides maximum torque without requiring heavy input pressure jaw mechanism naturally grips tighter as more torque is applied to the tool Classic trigger release provides maximum locking force Curved jaw puts tremendous pressure on four points of any style nut or bolt head fluorescent green indications under ultra violet black light for unbeatable inspection quality and accuracy Great choice for baths which need to be changed out frequently due to drag in or heavy use Ideal for in process testing to detect cracks Marks bleed through solvent based or oil based primers or paints Used for inspection seal the marked areas with water based epoxy paint