• Overall Length: 3-1/2"

• Shank: 1/4" Hex Power Groove

• Tip: #4 Robertson

• Fits Directly Into Power Tool Without An Adapter

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

• Fully Hardened And Tempered For Long Life Under Constant Use

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.