$67.99 8 pcs 1/2 Drive Square Allen Hex Impact Sockets Bits Set 78mm Long H5-H19 CR-MO - Walmart.com 
1/2 drive Hex / Allen key bit socket set metric sizes 4mm - 19mm AT659: Amazon.co.uk: DIY & Tools
1/2 Drive Allen Hex Key Sockets Extra Long 140mm 5mm - 17mm 8pc Set - AB Tools Online
