The scale of the transform relative to the parent.

	 // Widen the object by 0.1
	transform.localScale += Vector3(0.1,0,0);

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        transform.localScale += new Vector3(0.1F, 0, 0);
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		transform.localScale += Vector3(0.1F, 0, 0)