Product Name: 8pc. Engine Serpentine Belt Adjust Tightener Wrench Tool Kit
Product Model: HT.SR-150
• Remove & install belts on serpentine systems using spring loaded idler pulleys
• 1/2" Drive Adapter Included
• Handle Has a 3/8" Square Drive for Extra Leverage
• Fits idler pulleys requiring 15mm, 16mm, 18mm hex or 3/8 or 1/2-Inch square drive
• Also included 13mm, 14mm and 15mm crowfoot wrenches