Enerpac RCH121K1 Repair Kit 94203817 which means it will fit

which means it will fit your existing tools

Slice Capacity 4-Slice

ASTM F2503 Tether Capable Tether Capable Screwdriver and Nut Driver Grouping Screwdrivers Insulated No Tip Style Slotted ESD Safe No Handle Color Yellow Tether Style Tether Capable Shank Coating None Tip Finish None Corrosion Resistant Yes Magnetized Tip No Tether Ready No Slotted Screwdriver Tip Shape Keystone Shank Finish Natural Non-Magnetic Yes Measurement Type SAE Non-Sparking Yes Grip Style Plain Replaceable Shank No Package Quantity 1

3/8 in Drive: (1) 1/4 in Hex Bit Measurement Type SAE Number of Standard Sockets 0 Tether Ready No Insulated No Includes Socket Bits No Number of Flex Sockets 0 Number of Deep Sockets 0 Includes Wrenches No Flex Socket Count/Style 0 Includes Flex Sockets No For Screw Type Hex Container Features Compact layout

Enerpac RCH121K1 Repair Kit 94203817 which means it will fitSingle Acting Hollow Plunger Cylinders (RCH Series and equivalent)