These bits work with all Klein Tools 2-in-1 (67100), 10-in-1 (32477), 11-in-1 (32500) and 10-Fold (32535-32539) Screwdrivers. Precision-machined tips for exact fit into the fastener. Includes two bits with TT9 and TT10 Tamperproof TORX® tips.Features Fits Klein Tools 2-in-1 (67100), 10-in-1 (32477), 11-in-1 (32500) and 10-Fold (32535-32539) Screwdrivers Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product TORX® is a registered trademark of Acument Intellectual Properties, LLC Precision-machined tips for exact fit into the fastener Contains two (2) bits with TT9 and TT10 Tamperproof TORX® tips Warnings Always wear approved eye protection. Do NOT use to pry or chisel. Tip Type: TT9, TT10 TORX Type: Tamperproof Weight: 0.0450 lbs (0.7 oz) Height: 0.1800 in Depth: 5.1750 in Width: 1.7100 in Material: Steel Country of Origin: Taiwan For Use With: 10-in-1, 11-in-1 and 10-FoldTM Multi-bit Drivers DownloadsVideo DownloadVideo DownloadSpec Sheet