Wera 05051005001 810 1 kraftform handheld bitholder retaining ring 1 4 hex wera 05051005001 this handheld bit holder from wera has a 120mm chrome plated hexagonal blade with a 112mm multi component non roll kraftform handle and retaining ring and is suitable for use with hex bits wera 05051005001 810 1 kraftform handheld bit holder retaining ring 1 4 hex