Perfect Fit for Group 31 Batteries - Designed for use with all Group 31 batteries - standard 3/8" stud fitment ensures secure and reliable battery connection. Direct OE Replacement - Replaces OEM numbers: 6015-010, Grote 84-9184, Haldex BE20100, Phillips 8-662, Tectran 5019-S, Sloan 422126. Closed Top Design - Features a 3/8"-16 UNC thread and 9/16" hex head for easy tightening and a clean, sealed top to prevent moisture and dirt intrusion. Robust Stainless Steel Build - Made from corrosion-resistant stainless steel for long-lasting performance, even in demanding environments. Complete 20-Pack Value - Includes 20 closed nuts - ideal for fleet maintenance, heavy-duty truck shops, and multi-battery system applications. Part Numbers - 6015-010 Part Type - Battery Connector Nut Material - Metal Color - Sliver Package Qty: 20 PCS Specifiction: Group 31 Metal 3/8" Hole Closed Nuts Closed Top has a 3/8"-16 UNC Thread and a 9/16" Hex Head Fits all Group 31 batteries Fitment Details: Compatible with Grote 84-9184 Compatible with Haldex BE20100 Compatible with Phillips 8-662 Compatible with Tectran 5019-S Compatible with Sloan 422126