Leviton Tamper Resistant Spanner Head Screws 1/2 in. Long, (100-Pack) 84000-T - The Home Depot
SPW608 Spanner Wrench for SM1.5-Threaded Retaining Rings, Graduated Scale with 0.02" (0.5 mm) Increments, Length = 3.88" - Thorlabs
System Sensor WFDW Cover Tamper Screws Wrench For WFD, EPS, OSY2, PIBV2, and PSP1
100-Pack) #10-24 x 3/4" Machine Screw, Tamper Resistant Notched Spanner Head | eBay
Slogging Open End Spanner 24mm 27mm 30mm 41mm 50mm 65mm 75mm Heavy Type Hand Repair Tools Knock On Single Head Open Spanner - Milling Cutter - AliExpress
Leviton Tamper Resistant Spanner Head Screwdriver 84000-TSD - The Home Depot
Non-Sparking Tools Slogging/Hammer/Striking Open Spanner/Wrench, 50mm, Atex - China Spark Resistant Tools, Slogging Open Wrench | Made-in-China.com
(100-Pack) #10-24 x 3/4" Machine Screw, Tamper Resistant Notched Spanner Head
Fire Sprinkler Head Box Wrench - ARGCO.COM
100-Pack) #10-24 x 3/4" Machine Screw, Tamper Resistant Notched Spanner Head | eBay
Slogging Open End Spanner 24mm 27mm 30mm 41mm 50mm 65mm 75mm Heavy Type Hand Repair Tools Knock On Single Head Open Spanner - Milling Cutter - AliExpress
Non-Sparking Tools Slogging/Hammer/Striking Open Spanner/Wrench, 50mm, Atex - China Spark Resistant Tools, Slogging Open Wrench | Made-in-China.com
Slogging Open End Spanner 24mm 27mm 30mm 41mm 50mm 65mm 75mm Heavy Type Hand Repair Tools Knock On Single Head Open Spanner - Milling Cutter - AliExpress
Multipurpose Self-locking Spanner × 2PCS from China manufacturer - EBIC Tools
Tork Craft | Slogging Spanner Open End CrV 50mm - BPM Toolcraft