Full Product Manual
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KEYSTONE TIP SCREWDRIVERS 
Our USA keystone tip screwdrivers are constructed to handle the toughest 
jobs with ease. The cushion grip handles allow for maximum torque and 
comfort. These screwdrivers come with high quality, precision machined 
tips for an exact fit.
• 22% Larger cushion grip handle provides ultimate comfort 
 and maximum torque
• Corrosion resistant shank
• Tether hole for tether or lanyard attachment
• No-hassle lifetime warranty
HAND TOOLS
SPECIFICATIONS
MODEL # STOCK # DESCRIPTION
SD1/4K4US 65139240 1/4" Keystone Tip Screwdriver
SD5/16K6US 65139340 5/16" Keystone Tip Screwdriver
HEIGHT WIDTH DEPTH WEIGHT
SD1/4K4US 11.88” 1.35” 2.43” 0.30 lbs
SD5/16K6US
13.88” 1.35” 2.43” 0.45 lbs
SHANK TYPE SHANK LENGTH TIP TYPE
SD1/4K4US Round 4" Keystone
SD5/16K6US Round 6" Keystone
SD1/4K4US
SD5/16K6US
HAND TOOLS 
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 DRIVERS










