Oster Turbo A5 2-Speed Clipper Accessories has a 3/8" diameter and

has a 3/8" diameter and is constructed with a copper inlay

Nylon Halter

has a 5/16" diameter and is constructed with twisted sweet iron and copper

Overall length 6 3/8"

Oster Turbo A5 2-Speed Clipper Accessories has a 3/8" diameter andThe Oster Turbo A5 2 speed heavy duty clipper goes after the toughest jobs with its powerful, quiet running and reliable motor. Powerful Universal Rotary Motor Turbo Powered for Higher strokes per minute and 2 Speeds 3000 SPM Low 4000 SPM High Includes #10 CryogenX Detachable blade Compatible with all Oster A5 detachable blades Assembled in USA of foreign and domestic parts 078005 314 003 The Oster Turbo A5 2 Speed Clipper offers faster blade speeds