Gar-Bro General Purpose or ‘G’ Series Concrete Buckets are built for modern concrete requirements and general concrete work. Sturdy design and construction provides long life expectancy. All ‘G’ Series buckets feature a Double Clamshell Gate with vertical center discharge. Standard gate size is 15 inches x 22 inches. Extension collars for increased capacity are available for all models. See the GAR-BRO Round Concrete Buckets brochure on their website at WWW.GARBRO.COM for more details.