McMaster 92186A112 Super Corrosion Resistant 316 Stainless Steel Hex Head Screw, 7 8" 9 Thread Size, 4" Long, Partially Threaded 25WZ94 Arc Swing 15 Degrees Tether Arc Swing 15 Degrees Tether Style Tether Capable Grip Style Knurled Ratchet Type Standard Head Type Standard Non Sparking No Insulated No Tether Ready No Measurement Type SAE Head Shape Pear Ratcheting Yes Minimum Arc Swing 15 Degrees Quick Release Yes Includes Ratcheting Ratcheting Included Includes Quick Release Quick Release Included Includes Insulation Not Insulated Series Proto Tether Status Not Tether Capable Arc Swing Minimum 15 Degrees Includes Non Magnetic Sparking Non Magnetic Horsepower 2 Length is measured from under the head 000 psi Certificate Form Digital Certificate Type Material Certificate with Traceable Lot Number Hardness Rockwell B70 Minimum Thread Length 2" Performance Chemical Resistant