RAM Mount Long Double Socket Arm w/2.5" Round Base [RAM-B-103U-C] Brand_Sika whereas the HD models include

whereas the HD models include a wider diameter motor with a powder-coated steel shell

Ignition Controlled

UPC: 062533810006

This is the preferred mainsheet set-up for may top sailors

Just connect your hoses

RAM Mount Long Double Socket Arm w/2.5" Round Base [RAM-B-103U-C] Brand_Sika whereas the HD models includeRAM 1" Diameter Ball Long Double Socket Arm with 2. 5" Round Base that contains the AMPs Hole Pattern Overall Length: 6. 62" The RAM B 103U C consists of a 2. 5" round base and LONG double socket arm that will accept 1" ball bases. The round base contains pre drilled holes, including the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm;