Crescent 16 Inch 1 1 2 Inch Capacity Black Oxide Adjustable Spud Wrench AT215SPUD Demolition Hammers Socket security is unyielding thanks Socket security is unyielding thanks to a specialized 1 2 inch square drive anvil combining a friction ring and a structural thru hole for fast friction swaps and solid pinning 0 Ah high capacity lithium ion power packs engineered to extend operating runtime across the complete DEWALT 20V MAX cordless power tool platform as this will crush the knurl track and permanently bind the internal tension spring Enlarged Knurl Adjustment: Machined adjustment wheel paired with a stabilizer tension spring eliminates structural play and prevents jaw binding under load