b'Depth Gages237 r ulED EptHG aGEsThis depth gage is very handy and can be used to quickly obtain measurements in 64th of an inch by simply adjusting the rule to the required depth. Graduations at 32nds, and 64ths. Head length is 2-5/8" x 1/8".oolS hopF EaturEs Nicely finished, hardened steel head T S6" photo engraved, tempered steel rule Gage adjusts and locks into position by a knurled nut Base is cut out on one side permitting easier readings6" hook rule also availableCat. No. EDP Graduation Head Length x Width237 51080 32nds, 64ths 2-5/8" x 1/8"237106'