• Includes OSH12B–OSH32B (3/8–1") in a storage tray
• Complies with ASME®/ANSI® B107
• Come in seven colors: Snap-on® Red
• Includes 3/8–3/4" in a storage tray
• Securely tighten expensive AN fittings to reduce the risk damage in aircraft
1/4" Drive 4" Impact Extension | ITMX40 KRXL1072 Series XL Work Center (72”) • Includes OSH12B–OSH32B (3/8–1") inFeatures a secure snap ring anvil for excellent socket to extension engagement Small diameter shank for clearance Extension is cold formed from a high performance alloy steel blend for strength For general automotive use, motorcycles, boats marine, trucks, aircraft and small engine Specifications Country Of Origin : USA Dimension B, Length, inches : 4 Finish : Industrial Finish Dimension A, Shank Dia., inches : 5 16 Square Drive, inches : 1 4