• Hexagonal bolster- Allows for turning with wrenches
• Designed for Tamper-proof fasteners
• Made to JIS standards- provides better grip
• Comfort Grip- provides ergonomic cushion while turning
• Set includes D1T- T8H, T9H, T10H, T15H, T20H, T25H, T27H, T30H, T40H, T45H, T50H