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 TT15 and TT20 Tamperproof TORX® tips.Features Contains two (2) bits with TT15 and TT20 Tamperproof TORX® tips Made in the USA TORX® is a registered trademark of Acument Intellectual Properties, LLC Fits 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 fastener Warnings Always wear approved eye protection. Do NOT use to pry or chisel. Tip Type: TT15, TT20 TORX Depth: 5.175 in Width: 1.71 in Height: 0.18 in Material: Steel Type: Tamperproof Weight: 0.045 lbs For Use With: 10-in-1, 11-in-1, 10-FoldTM Multi-bit Drivers Country of Origin: Taiwan DownloadsVideo DownloadVideo DownloadSpec Sheet