The four holes allows the user to mount the reel to their required location

SVI is a proud Solberg distributor and welcomes the opportunity to meet your needs for Solberg products

(4) M-Style® Steel Female Couplers

1/4" MNPT 5/16" OD Push-to-Connect Tube Fitting (Box of 10)

COMPATIBLE: Will also accept both M-Style® and A-Style plugs

Wolflube Hose Connection Rubber – For Air and Water – 200 PSI W.P – 3/8” – 3′ – M3/8” x M3/8” tote The four holes allows theSIZE DIAMETER 1 4 W. P 200 PSI B. P 600 PSI HOSE LENGTH 3 ft FITTINGS NPT(m) 1 4" x NPT(m) 1 4" Features: Brass Fittings Special Size Fittings Available Max. Working Pressure: 200 PSI