Our roller bracket assemblies for boat trailers are strong hot-dipped galvanized brackets with shock-absorbing rollers for proper keel support. Pre-assembled with black rubber roller for easy installation. Roller: 4" spool. Shaft: 5/8". Mounting center: 2". 5" adjustment slot. Attach with 1/2" or 7/16" bolts
* Used in 6, 12, and 24V DC applications. Automotive, RV, air conditioners, battery chargers, or any application requiring over current protection. Non-corrosive molded cover eliminates grounding when operating against a fault line. Includes mounting bracket and installed nuts and washers *40 AMP Circuit Breaker
5/8-11 spindle for mounting the most popular accessories 2-position side handle Powerful 5 Amp motor 11,000 RPM no-load speed Metal gear case dissipates heat for longer life Spindle lock for quick wheel/blade changes Includes: 4-1/2" grinding wheel, side handle