Open ends set at 15. Hexagon or bi-hexagon ring. Ideal for applications where space is limited. Sold loose.
eBay
Mini Hexagon Ratchet Spanner 1/4 Inch Mini Ratchet Wrench Screwdriver With Batch Head Set Spanner Screwdriver Hand Repair Tools
Aliexpress UK
From my toolkit. Had a few duplicate spanners from when working on aircraft parts. 2 available. Price is for one. Both show no signs of use.
eBay
1Pcs ER25 ER32 ER40 Hook Wrench Spanner Collet Chuck For Milling Tool Lathe Tool Clamping Nut High Carbon Steel ER Spanner Part
Aliexpress UK
Sizes available - 2BA, 4BA & 6BA. 4BA 1/4" 1/8" 38.5. 6BA 3/16" 7/64" 47.9. 2BA 5/16" 5/32" 31.4. Thread - BA. TECHNICAL INFORMATION.
eBay
Adjustable Hand Wrench Multi-function Spanner Plumbing Wrench F Type Large Opening Manual Tools Spanner Wrench Pipe Repair Tools
Aliexpress UK
Hexagon Nyloc Locking Nuts Steel Zinc Plated. Emfast supplies a wide range of fasteners and fittings to the automotive, aerospace, defence, engineering, and motorsport sectors. with over 150 years' experience in the engineering sector.
eBay
Torque Wrench With Clear Scale Metric Spanner Inches Drive Torque Spanner For Steel Non-slip 300N/500N
Aliexpress UK
Vintage BA Ring Spanner by Britool 2 x 4 BA
eBay
Hexagon Ratchet Spanner 1/4in Quick Release Household Wrench Screwdriver For Torx Socket Spanner Two-way Adjustment Repair Tools
Aliexpress UK
Britool England Whitworth Combination Spanner / Wrench Series Sizes 4BA-1-7/16" Original made in England Britool Whitworth combination spanners with 12-point bi-hexagon ring end. Therefore, the size shown may be different from what it advertised.
eBay
Hi-Spec Socket Wrench L Shaped Angled Spanner Metric Cr-V Hexagon Socket Sleeve Spanner Torque Tools for Remove Fix Screw Nut
Aliexpress UK
Sizes Available - 2BA, 3BA, 4BA, 6BA, 0BA. 0BA 13/32" 13/64" 25.4. 4BA 1/4" 1/8" 38.5. 3BA - - 34.8. 6BA 3/16" 7/64" 47.9. 2BA 5/16" 5/32" 31.4. Thread - BA. Plating - Zinc Plated.
eBay
8 in 1 Faucet Wrench Tool, Water Pipe Wrench with Comfortable Grip, Tap Spanner for Tight Space, Multi-Functional Tap Spanner Se
Aliexpress UK
1 x BA spanner 9BA and 11BA. DEEP BA SOCKETS - 0BA / 1BA / 2BA / 3BA / 4BA / 5BA / 6BA / 7BA and 8BA. SET INCLUDES THE FOLLOWING SPANNER 1 x BA spanner 0BA and 2BA. 1 x BA spanner 8BA and 10BA. 6 spanners for 12 different sizes.
eBay
10 Pcs Professional Pures Coppers Weight Counterweight 2BA Thread Weight Add Accentuators Tool 2g Easy to Use
Aliexpress UK