Fits 1.5" Schedule 40 PVC with an ID of 1.57" Perfect for making PVC sand anchors Ideally suited for sand, clay, mud or small stone lake or river bottoms Made from a military grade composite so it will not break like some poor quality off-shore manufactured metal cast augers Made in the USA Fits 1.5" Schedule 40 PVC with an ID of 1.57". Perfect for making PVC sand anchors. Ideally suited for sand, clay, mud or small stone lake or river bottoms. Made from a military grade composite so it will not break like some poor quality off-shore manufactured metal cast augers. Made in the USA