OZ Lifting Single Position Locking Collar Kit for Davit Crane Bases The OZ Lifting Single Position Locking Collar prevents excessive boom rotation on OZ Lifting davit cranes, reducing tipping risk and ensuring a safer lifting environment. Available in five variants to match different base series, each collar kit installs easily and works with the corresponding pedestal or wall mount base. Select the correct variant based on your davit crane base series: OZ100020 for 2 and 3 series bases, OZ100021 for 1-TP series bases, OZ100022 for 2-TP series bases, OZ100023 for 1 series bases, and OZ100025 for the 4 series base. Key Features Prevents excessive boom rotation for safer crane operation Five variants covering 1, 1-TP, 2, 2-TP, 3, and 4 series bases Durable construction for long-term use Compatible with OZ Lifting pedestal and wall mount bases Davit crane and base sold separately. Browse the full OZ Lifting collection at MTN Shop.