Washers

Internal Tooth	External Tooth	Internal-External	Heavy USS	Heavy SAE	Heavy Tension	USS Heavy Ex. Thick
ITW-2 ITW-3 ITW-4 ITW-5 ITW-6 ITW-8 ITW-10 ITW-12 ITW-1/4 ITW-5/16 ITW-3/8 ITW-7/16 ITW-1/2 ITW-9/16 ITW-5/8 ITW-3/4 ITW-7/8 ITW-1	ETW-2 ETW-3 ETW-4 ETW-5 ETW-6 ETW-8 ETW-10 ETW-12 ETW-1/4 ETW-5/16 ETW-3/8 ETW-7/16 ETW-1/2 ETW-9/16 ETW-5/8 ETW-3/4 ETW-7/8 ETW-1	IEW-6 IEW-8 IEW-10 IEW-12 IEW-1/4 IEW-5/16 IEW-3/8 IEW-7/16 IEW-1/2 IEW-5/8 IEW-3/4	WH-1/4 WH-5/16 WH-3/8 WH-7/16 WH-1/2 WH-9/16 WH-5/8 WH-3/4 WH-7/8 WH-1	WHSAE-1/4 WHSAE-5/16 WHSAE-3/8 WHSAE-7/16 WHSAE-1/2 WHSAE-9/16 WHSAE-5/8 WHSAE-3/4 WHSAE-7/8 WHSAE-1	WHH9-1/4 WHH9-5/16 WHH9-3/8 WHH9-7/16 WHH9-1/2 WHH9-9/16 WHH9-5/8 WHH9-3/4 WHH9-7/8 WHH9-1 WHH9-1-1/8 WHH9-1-1/4 WHH9-1-1/2	WHUSSET-1/4 WHUSSET-5/16 WHUSSET-3/8 WHUSSET-7/16 WHUSSET-1/2 WHUSSET-9/16 WHUSSET-5/8 WHUSSET-3/4 WHUSSET-7/8 WHUSSET-1