The OEMTOOLS 5-Pound Slide Hammer is threaded 5/8 Inch x 18 and works with various OEMTOOLS attachments as well as other manufacturers' attachments with the same thread. The OEMTOOLS 5-Pound Slide Hammer features a chrome plated main shaft for easy cleanup and a professional look. It comes in a sturdy blow-mold storage case with room to store your attachments such as axle puller, inner CV joint puller, pilot bearing puller, 4WD spindle puller, and a rear axle puller. Attachments sold separately.