This item is an AmeriBRAKES Brake Shoe Service Kit 

Brake Service Kit. They will fit the following makes and models:

2009-2012 CHEVROLET COLORADO
2009-2012 GMC CANYON

Kit Includes: 

1x Part# 959 New Organic Brake Shoes 4 Shoes 1 Set
1x Part# 7430 REF# 118.66015 H7364 New Brake Shoe Spring Hardware Kit Both Sides Rear
1x Part# 2830K Left Side Star Adjuster Kit
1x Part# 2831K Right Side Star Adjuster Kit