Here’s a modified version of your list to eliminate duplicates while maintaining the meaning:
**1/4" Bits:**
- Slotted: SL4, SL4.5, SL5, SL5.5, SL6
- Phillips: PH0, PH1, PH2
- Pozidriv: PZ0, PZ1, PZ2
- Hex: H3, H4, H5, H6
- Torx: T8, T10, T15, T20, T25, T40
- Metric: M5, M6, M8
- Unbrako: U4, U6, U8
- Tamper-Torx: TT8, TT10, TT15, TT20, TT25, TT40
**5/16" Bits:**
- Slotted: SL6, SL6.5, SL8
- Pozidriv: PZ3, PZ4
- Phillips: PH3, PH4
- Torx: T25, T27, T30, T35, T40, T45, T50
- Tamper-Torx: TT27, TT30, TT35, TT40, TT45, TT50
- Metric: M5, M6, M8, M10
Extension Bar Include: This set includes all essential tools; 1/4"Dr extension bars (3" & 6"); 3/8"Dr extension bars (3", 6", & 10"); 1/2"Dr extension bars (3", 6", & 10"); impact socket adapters (1/4"F to 3/8"M, 3/8"F to 1/4"M, 3/8"F to 1/2"M, 1/2"F to 3/8"M); impact universal joints (1/4"Dr, 3/8"Dr, 1/2"Dr); impact couplers (1/4"Hex to 1/4"Dr, 1/4"Hex to 3/8"Dr, 5/16"Hex to 1/2"Dr)
Material: Crafted from heavy-duty Chrome-Vanadium steel alloy (50BV30); corrosion-resistant black phosphate finish; ensures durability for demanding use
Convenient Storage: The professional Drive Tool Accessory Set comes with a heavy-duty blow-moulded storage case; ensures easy transportation, safe storage, and quick organization
Standards: KOOPOOL tools exceed ANSI and DIN performance standards
Size Marking: All drive tools are marked with sizes; ensures easy identification; saves time and effort