Product Description Detailed Specs Downloads Reviews/Questions Product Description ZEBRA EVM, WHERETAG IV-GT SECURITY UPGRADE KIT (FOR 100 TAGS), KIT CONTAINS 400 SCREWS Detailed Specs Zebra WhereTag IV Data Sheet.pdf https://www.zpsstore.com/content/product_downloads/zebra/Zebra WhereTag IV Data Sheet.pdf null null null null null null null null MFG Part Number TM-425-01 Product Type Accessory Product Family WhereTag IV Downloads Zebra WhereTag IV Data Sheet (PDF) Reviews/Questions The Zebra TM-425-01 is also known as ZEB -TM42501 or TM42501