No. 1015For boats with narrow or uneven gunnels. Fits downriggers 1060 and 1050. Includes stainless steel bolts to fasten mounting bracket (No. 1010 downrigger mounting bracket not included)Dimensions: 5 1/4 x 2 1/2 Bolting Dimension: 4 9/16 x 1 5/8 (No. 1010 not included)Rod Holder Included NONESpool Construction NONESwivel Base Included NONEFeatures.- Fits downriggers 1060 and 1050- Fits boats with narrow or uneven gunnels- Includes stainless steel bolts to fasten mounting bracket- 1010 downrigger mounting bracket not includedSpecifications:- Dimensions: 5 1/4 x 2 1/2 – Bolting Dimension: 4 9/16 x 1 5/8.