New Eaton / Bussmann 20A/300V UL Rated (13A/300V CSA Rated) Size 3AG 1/4" x 1-1/4" Cartridge Fuse Holders , Fuse Blocks, with 3/16" Quick Connect Terminals, Part Number S-8102-1-R or BK/S-8102-1-R or S1021R.  Each bid quantity is for a Lot of Three (3) Fuseholders.  You may bid / buy any number of lots, up to the total quantity available above.

These were purchased at an electronics wholesale company liquidation earlier this year, and they were brand new in the original bulk factory bags.  We packaged them in heavy Ziplok bags for resale.

According to the calipers:

Overall length (including terminals):  2.007" / 50.99 MM

Mounting footprint (excluding terminals):  1.402" x .496" (35.61 MM x 12.61 MM)

Mounted height:  .557" / 14.16 MM

Terminals:  .187" / 3/16" / 4.76 MM

Mounting hole:  .147" / 3.74 MM

According to the manufacturer:

Manufacturer: Eaton - Electronics Division
Manufacturer Part Number: BK/S-8102-1-R
Description: FUSE BLOCK CART 300V CHASS MNT
Detailed Description: Fuse Block 20A 300V 1 Circuit Cartridge Chassis Mount
Categories: Circuit Protection, Fuseholders
Manufacturer: Eaton - Electronics Division
Series: S-8000
Part Status: Active
Mounting Type: Chassis Mount
Fuse Size: 0.25" Dia x 1.25" L (6.35mm x 32mm)
Current Rating UL (Amps): 20A
Current Rating UL (Amps): 13A
For Use With/Related Products: 3AG, 1/4" x 1-1/4" (SFE-20)
Fuse Type: Cartridge
Fuseholder Type: Block
Number of Circuits: 1
Voltage: 300V
Termination Style: Quick Connect - 0.187" (4.7mm)
Contact Material: Spring Bronze
Contact Finish: Tin-Lead