Can be used on Crabtree (4451, 4461, 4551 ) and MK (K4894, K4898, K4898EL, K4917EL, K4917, K4918 ) switches. Great simple design Made by scolmore.
eBay
Night Light Key Chain Mini LED Light Outdoor Camping Emergency Light Keychain Portable Key Shape Fishing Hiking Light Key Rings
Aliexpress UK
1: MK - Key fits MK test switches and is cross-compatible with MK part'. 3: Hamilton - Key fits Hamilton Grid-It test switches and. 5: RPP Easy Clip - Key fits RPP test switches including model RPE5142.
eBay
Mini Flashlight Keychain Lights Pocket Emergency Light USB Flashlights Pocket Small Torch Keychain Flashlight Camping Flashlight
Aliexpress UK
eBay
100PCS Mini LED Keychain Lights UV Flashlight UV Light Pocket-sized Emergency Light Mini Torch Black Light Keychain Flashlights
Aliexpress UK
(Note: Sale is for Keys Only, Grid Switch Not Included). Ideal for Electricians, Caretakers, Security and Maintenance Staff etc.
eBay
1pc/2pcs COB Keychain Work Light Flashlight Keychain Light Emergency Light, Bottle Opener, Mini Flashlight With Magnetic Base
Aliexpress UK
eBay
Cob Keychain Work Light Flashlight, Keychain Light Emergency Light with 4 Light Modes Folding Bracket Bottle Opener
Aliexpress UK
(Note: Sale is for Keys Only, Grid Switch Not Included). Norton Safety Supplies. About Norton Safety Supplies. Ideal for Electricians, Caretakers, Security and Maintenance Staff etc.
eBay
10 pcs Mini Bright LED Flashlight Torch Light Lamp Micro Light Keychain Squeeze Light Key Ring Camping Lanterna Emergency Lamp
Aliexpress UK
eBay
Mini LED Keychain Lights Flashlight Small Emergency Torch Keychain Flashlights Portable Pocket-sized Camping Flashlight Pendant
Aliexpress UK
(Note: Sale is for Keys Only, Grid Switch Not Included). Ideal for Electricians, Caretakers, Security and Maintenance Staff etc.
eBay
Mini LED Keychain Light Portable COB Work Light Keyring Inspection Lights for Outdoor Camping hiking Emergency Warning Light
Aliexpress UK