• Overall Length: 1"

• Shank: 1/4" Hex

• Tip: #3 Robertson

• For Use With Hand Drivers Or With A Bit Adapter In Power Tools

• Robertson Pattern Bit Is A Four Sided (Square) Insert Bit

• Bosch Reinforced Screwdriver Bits Are Designed To Handle Tough Torque Applications

• Made From The Highest Quality S2 Tool Steel

• A Proven Sub-Zero Tempering Process Gives These Bits Long Life And Increased Durability

Warning this product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.