409 65512 Features: No. of Points: 12. Tip Type: Box. Measuring System: Inch. Quantity: 16 per box. Product Type: Extensions/Sockets. Drive Size: 1/2 . Measurement Type: SAE. SAE Socket SIze: Set. Contact Points: 12 Point Double Hexagonal . Quantity: Set. Generic Dimensions: Product weight: 8.5 lbs. Dimensions: Overall Product Weight: 8.5 Pounds.