Product Details: Replaces standard Hex toolsSizes Include – 10mm, 11mm, 12mm, 14mm, 15mm, 17mm, 19mmPatented unique bi-directional design enables loosening & tightening of new and damaged Hex fastenersPrevents rounding of new and compromised Hex fastenersUp to 50% more torque on NEW Hex fasteners vs standard hex toolsUp to 400% more torque on damaged fasteners vs standard hex toolsCr-Mo steel for increased strength and durabilityOversized laser etched markings for greater visibility GRIPEDGE – It’s All About The Grip! RPT (Rounding Prevention Technology) Hex Bit Sockets are designed to completely replace your traditional Hex tools. Use them the first time, every time, to prevent damage from happening. In most cases, If you come across an already stripped hex, the RPT Hex Bit Sockets can grip and remove them without the need for additional tools.Follow our store for special deals/offers! New items added daily! Thanks for looking! Shipping Details: * I do Combine shipping whenever possible! All you need to do is buy the items you want, then «Request the Total». I will send you an invoice with combined shipping ASAP! I check my emails often! If you need a quote for combined shipping cost feel free to email me anytime!*Upon completion of payment, item will be immediately boxed and dropped off at my local USPS, FedEx, or UPS