Beta Tools 720 AS 0.50 mm. Impact Sockets StandardSpecifications Material Type - L L Size - 38 mm. A Size - 9 mm. ø Size - 20.7 mm. ø1 Size - 25 mm. Size - 1/2 mm.Features 720AS Impact socket and accessories - 0.5 in. Standard series - SKU: PRSD1572 more